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

"In mathematics, we often seek elegance and simplicity, but in computer science, we must also consider practicality and efficiency."

心的本體非常廣大，如果能充分發揮我的心，就能與天相同。

The study of economic history is not just about the past; it’s about understanding the roots of present inequalities.

If you are going through hell， keep going.

世人常因冀望遙遠難及的幸福，忽略了眼前的小樂趣。

Overfishing is a crisis, but aquaculture done right can be part of the solution.

進步的方法是承認無知。