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

再多一點堅持，再多一點努力，看似無望的失敗可能會變成輝煌的成功。

Policy debates should be grounded in rigorous empirical analysis.

"The past is never dead. It's not even past."

成功不是終點，失敗不是致命的：重要的是繼續前進的勇氣。

In business, the only constant is change, and adaptability is our greatest asset.

The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.