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

Innovation is the key to solving the challenges in grain production.

Efficiency and technology are the keys to surviving in a volatile oil market.

愚人是那些不能改變他們想法的人。

That is what learning is. You suddenly understand something you've understood all your life, but in a new way.

The quiet revolution in women’s education and employment has transformed society in ways we are still discovering.

——1993年12月獲頒諾貝爾和平獎

Innovation is the ability to see change as an opportunity - not a threat.