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

短期收益永遠不應以犧牲長期可持續性為代價。

A company's true strength lies in its people—their skills, dedication, and ability to adapt.

The strength of a political system lies in its ability to adapt to changing circumstances.

Don't bother just to be better than your contemporaries or predecessors. Try to be better than yourself.

Collaboration across borders is key to solving the challenges of global hunger.

A good mathematician is lazy, but in a constructive way.