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

我只是想傳播正能量。

政治秩序不僅僅是關于國家，還關于法治和問責制。

I think the most important thing is to be happy and to be kind to others.

In mathematics, the journey of discovery is often more rewarding than the destination itself.

You can’t be everything to everyone, but you can be everything to someone.

釋義：求學之人若不勤奮，必然是其志向不堅定。