在没有生命力的帮助下合成尿素是我们这个世纪最重要的发现之一。
I am not a perfect person, but I am trying every day to concentrate on being better.
The only way to get to the top is to climb the mountain, not to wait for the elevator.
传统与现代并非对立;它们可以共存并相互丰富。
The bond market is the ultimate reflection of market psychology.
Every seed planted today is an investment in tomorrow's food supply.
伟大的领导者倾听多于发言。