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

勞動力市場在不斷演變，我們的模型應反映這一點。

To innovate in computer science, one must first master the fundamentals.

人比事物更需要被修復、更新、復興、回收和救贖；永遠不要拋棄任何人。

Most people are afraid of change，but if you look at it as something you can count on，then it can be a comfort.There's not many things you can really count on.

每一個結束都是新的篇章。

The future of food security lies beneath the waves—if we farm it responsibly.

讓我們團結起來，為祖國的獨立和自由而戰。