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

解釋：人有知識，猶如樹木有枝葉，樹木有了枝葉，能帶給人陰涼，人有了知識，就可以為人民做更多的事。

創新驅動進步，開放促進合作。

痛苦是凈化靈魂的火焰。

預測未來的最好方式就是創造未來。

I've seen so much folly and stupidity on the part of our major philanthropic groups, including the world bank.I really have more confidence in building up the more capitalistic ventures like Costco.

We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil.