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

中國的崛起將不可避免地導致與美國的沖突。

Given the choice between the experience of pain and nothing, I would choose pain.

你將學到的最偉大的事情就是去愛并被愛回報。

"Light is the language of painting, shadows are its punctuation."

我不追隨潮流，我創造潮流。

Architecture begins where engineering ends.

科學不僅僅是關于發現，也是關于應用知識來改善人類生活。