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

Attention is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought.

科學的每一次突破都是對人類好奇心和創造力的證明。

Collaboration across industries is the key to unlocking aquaculture's full potential.

If you want something said, ask a man; if you want something done, ask a woman.

你的時間有限，所以不要浪費在過別人的生活上。

寫作是探索人類關系復雜性的一種方式。

Work to become， not to acquire.

真実は、時として殘酷だ。

購買股票的最佳時機是當它們不受歡迎時。