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

Life is about making an impact, not making an income.

The best scientists are those who remain humble in the face of nature’s complexity.

在投資中，耐心不僅是一種美德，更是一種必需品。

Every language is an old-growth forest of the mind.

計算機科學和數學的交匯處是最令人興奮的突破發生的地方。