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

The beauty of mathematics lies in its ability to reveal the underlying simplicity in what appears to be complex.

跨學科合作對于解決復雜的科學挑戰至關重要。

The financial markets generally are unpredictable. So that one has to have different scenarios... The idea that you can actually predict what's going to happen contradicts my way of looking at the market.

Haters are my motivators.

"The city is a character in itself, with its own moods and mysteries."