释义:随随便便交一些不好的朋友,还不如整天读书更好。
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
I don’t want to be a tree; I want to be its meaning.
You don't have to be perfect to inspire others.
情绪是为机体行动做准备的生物信号。