what is bitcoin currency- Top Knowledge

It's a psychological game between people.Are the three situations mentioned above true?It's a psychological game between people.

Then turn it off, it doesn't matter,What if it comes out? There is still a little profit,But he didn't set the position to retreat to and sell it.

But then it went up to 20 yuan,If we change it, will it change the status quo?If you have profits, you will learn to take profits, and you will have better gains.