色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

在量子力學中，粒子的概念失去了它通常的意義。

我們關注的不是數字，而是產生數字的那些東西。

一本書是一個花園，一個果園，一個倉庫，一場聚會，一路上的伙伴，一位顧問，眾多的顧問。

在原子世界中，數學語言是唯一可以使用的語言。

I'm more worried about being a good person than being the best football player in the world. When all this is over, what's left is what you've achieved; what kind of person you were.

You can't please everyone, so don't try.

You must change nothing in your writing without absolute necessity. If it is necessary， then change with simplicity.