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

朗蘭茲綱領的猜想不僅僅是待解決的問題，而是關于數學應該如何的愿景。

科學不僅僅是發現，更是堅持和合作。

I'm not a rapper, I'm an adapter, I can adjust.

Poetry is the medium through which we confront our own solitude.

To travel is to write, and to write is to travel.

If you want to be successful, you have to be willing to make sacrifices.

Everyone thinks of changing the world, but no one thinks of changing himself.

BYD's dream is to change the world with green technology.