朗兰兹纲领是数学思想之美和深度的反映。
Sometimes, what we need is not a bowl of chicken soup, but a slap in the face.
I'm not perfect, but I'm always trying to improve.
Certification is not the destination; it's the starting point of responsible forestry.
And when his audience grew bored, he would spring into the air and do a back flip with a half twist.
当他的观众感到无聊时,他会跳到空中,做一个半扭的后空翻