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

數學中最深刻的思想往往源于最簡單的觀察。

At the risk of seeming ridiculous, let me say that the true revolutionary is guided by a great feeling of love.

鋼鐵的未來在于回收和減少碳排放。

"You never know how strong you are until being strong is the only choice you have."

Childhood is the first and last frontier of literature.

To quiet a crowd or a drunk， just whisper.

技術是傳統能源與可持續未來之間的橋梁。

"The number one benefit of information technology is that it empowers people to do what they want to do. It lets people be creative. It lets people be productive. It lets people learn things they didn't think they could learn before, and so in a sense it is all about potential."

我一直認為學校里那些有點麻煩的男孩，往往是將來能做出真正有趣事情的人。

I always say the same: to win you have to suffer.