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

領導就是服務。真正的領導者把團隊成長置于個人成就之上。

Science progresses not just by answering questions, but by asking better ones.

If you want to be a leader, you have to be willing to make unpopular decisions.

藝術是最高形式的希望。