可持续性不是一种选择，而是农业未来的必然需求。
Sustainability isn't an option—it's a necessity for the future of agriculture.
Man is neither wholly good nor wholly evil, but a mixture of both.
An actor I know is a dimwit who can't count higher than the fingers on his hands. But once he gets on stage, the audience goes so wild, you'd think the house would split in two.
不可以同井底的青蛙谈论大海的辽阔，因为有空间的拘束；不可以同夏天的小虫谈论冰冻的寒冷，因为有时节的局限。
I think you have to have an attitude of willingness to accept failure, which is part of innovation.
The past is always tense, the future perfect.
