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 realization that electronic properties can be topologically protected has revolutionized our understanding of solid-state physics.

信任是每一段成功商業關系的基礎。

智慧的終極目標是夢想足夠高遠，以至于在追尋過程中忘卻這個夢想本身。

理性的非理性是非理性的理性。

小說的終極目標是創造一個比現實本身更真實的世界。

The man who does not work for the love of work but only for money is not likely to make money nor to find much fun in life.

創新是經濟繁榮的核心問題。