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

We don't inherit the ocean from our ancestors; we borrow it from our children.

A computer program does what you tell it to do, not what you want it to do.

可持續發展需要在經濟增長和生態保護之間取得平衡。

文學的美在于它讓我們活了一千次。