相关系数的可能误差不是一个固定的量,而是取决于样本的大小。
Nobody cares if you can't dance well. Just get up and dance. Great dancers are great because of their passion.
C语言具有汇编语言的力量和……汇编语言的便利性。
A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.
"Music has the power to heal, to inspire, and to bring people together."