在弦理论中,所有粒子都是微小超对称弦的振动。
【讲解】:聪明的人不会疑惑,实行仁德的人会忧愁,真正勇敢的人,不会畏惧。
The more you know, the less you feel.
Everyone has the brainpower to follow the stock market. If you made it through fifth-grade math, you can do it.