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

堅毅是對長期目標的激情和堅持。

It is better to be tried by twelve than to sit on the bench forever.

我們要用全球化的視野來思考問題，用本土化的行動來解決問題。

史記

"Science is about understanding the world around us, and that understanding can lead to incredible advancements."

小說是一面沿著大路攜帶的鏡子。有時它向你展示天空的藍色，有時則是路上攪動的泥濘。