In addition to giving Liu Feng a safe environment to travel through, this secret room is more about the things he puts in it.

The size of the secret room is equivalent to about 120 square meters, but it is filled with rows of bookshelves. Of course, many bookshelves are empty.

There are only one or two bookshelves full of books. If you look closer, you will find that they are labeled"Three Character Classic","The Romance of the Three Kingdoms" and"Journey to the West".…………The complete works of Andersen's fairy tales, the complete works of Grimm's fairy tales...a collection of 800 home-cooked dishes...first grade Chinese, second grade mathematics…………8th grade physics, 9th grade chemistry, etc.

Common books on the earth, no matter whether they are useful or not, Liu Feng will bring some over after seeing them. Nothing is as useful as knowledge.

For example, before the surgical operation he performed during the day happened, who knew that he, a novice, could actually complete an operation? He saved a life and a soldier who could continue to work for him.

Although Liu Feng has never read 99% of the books on the bookshelf, it does not prevent him from possessing the knowledge he will need in the future. These are Liu Feng's true heritage, also called his knowledge reserve.

For example, the national military technology on the other side of the earth is already leading the world, but who knows that what is being released now is its most advanced technology? Maybe in the next second, they will release technology that is beyond ten or twenty years.

As long as we stay ahead of the technology of this era, it doesn't need to be too much, so that people can hopefully work hard to catch up.

Then he will slowly release more powerful technologies, and then let people catch up with the technologies that he has eliminated for decades. In fact, he is already studying the flying universe.

Liu Feng took out the recurve bow and military crossbow with this in mind. These two things are already far ahead of this era, but they will be researched sooner or later. This is inevitable.

Well, after others spent more than ten years chasing after them, they suddenly discovered that Liu Feng had released something even more powerful, quack quack...

Liu Feng shook away the distracting thoughts in his mind. Every time he came in here, he would be in a daze, or It is something called peace of mind, the feeling that landlords and wealthy families have a surplus of food.

After all, the basic industry of this era is only 0.1. They can't even use steel well, and they still want to build aircraft and cannons.

This is also the reason why he established the research department. First, accumulate experience and knowledge, and then it is time to accumulate more knowledge.

"It's almost ten o'clock. I've been in a daze for a long time this time."Liu Feng touched the slightly growing beard on his chin, chuckled, and disappeared into the secret room. When he appeared again, it was Liu Feng's home on earth. Looking at everything in the bedroom, he sighed a little.

"Every time I travel back and forth, it feels like I'm in a dream. It's really magical."

Bedroom, what do you mean? It's a mess. There are printers he bought, etc., and printed materials scattered on the ground.

Seeing this scene, Liu Feng, who has obsessive-compulsive disorder, felt uncomfortable all over, and bent down to pick up the materials on the floor. Collect it, then stuff it into the space, then put a large stack of A4 paper and start color printing

"Done, let’s go!"

Liu Feng changed his clothes, found a hat and put it on. His hair, which had not been cut for more than two months, had grown very long.

Liu Feng, who was too lazy to clean up the room, hurriedly left with a backpack of money. Home, he is going to buy something, or a birthday gift.

Why bring a backpack of money? Liu Feng will not tell you that he got it from selling gold. In order not to reveal his identity, it is used for large-scale gold transactions. It was all in cash.

The place where gold was sold was an underground black market, and there was one in the next city. Liu Feng’s gold was sold there, wearing a mask and a hat. Of course, he sold 5 kilograms of gold that time. Profits of around one million

"beep beep beep beep beep beep beep beep beep beep beep beep beep beep beep……"

His pocket vibrated, Liu Feng took out his phone, clicked on a secret web interface, and immediately flipped through it, his pupils tightening, and he quickly found the news he wanted.

"It was discovered. It seems that I can’t sell gold on the black market next time. There are so many greedy guys."

This webpage is the webpage of the underground black market. There is a message on it about a high-priced reward for finding Liu Feng. Of course, the photo shows Liu Feng in disguise, with a full beard and only the whites of his eyes exposed.

Liu Feng thought of going there himself The method of stuffing iron pieces into gold, I couldn't help praising myself in my heart, like biting gold to check, gold as thick as a tofu block, you can make the other party laugh happily when you can half-bite it.

In the case of intentional fraud , everything is fine, not to mention a place like the black market. Liu Feng called the police before going there. I think the police officer will thank him. In a hurry, everything will be simplified. In this way,

Liu Feng can't actually use it. Four kilograms of gold were exchanged for millions in cash. He was said to be brave. In fact, it took him a week of undercover visits to conclude that the black market's gold inspection methods were very backward.

"I hope that the news that ginseng can be obtained in the spring of next year is true, otherwise the money will be spent."

Liu Feng patted his backpack, and there was only about 200,000 yuan in it.

Selling gold in small amounts, once or twice is okay, but too many times, some black hands will know about it, and too much gold will flow into the market at once. , will come to check him out soon.

Liu Feng has never underestimated the people on this side of the earth. Greed is the biggest motivation for people. People who use alternative ways to make money like wild dogs will have special means.

The city at ten o'clock in the evening , is the beginning of nightlife. There is dense traffic in the street, horns are blaring continuously, there are people coming and going on both sides of the street, and occasionally there are a few bicycles. There are flashing signs on the stores, and some ladies even try to hook up with you....

The food stall is the most crowded one. The aroma of the signature crayfish is permeating the air. The bold female guests are as good at drinking beer as the men.

Liu Feng suddenly felt a little out of place. Those people had dyed yellow hair and faces. They were wearing makeup that could protect them from knives, and some were wearing contact lenses. He suddenly thought of the beast-eared girls in the castle who were wearing no makeup. After comparing them, he couldn't help but curl his lips. The girls he thought were beautiful before were so ugly now!

"Second update, the plot is written step by step. If you rush too fast, it will collapse. The protagonist’s IQ is basically above the passing line.( ̄▽ ̄)I recommend a book by a friend, The Almighty Takeaway Boy."

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