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

To be what we are, and to become what we are capable of becoming, is the only end of life.

The only way to avoid being miserable is not to have enough leisure to wonder whether you are happy or not.

我們要用現代生物技術武裝傳統農業，提高農業生產效率。

信仰不是要相信你所看到的，而是去相信你所看不到的，而這就是信仰的回報。