一棵树的真正价值是用几十年衡量的,而不是美元。
The best way to solve a problem is to think about it in a different way.
Innovation is the key to solving the challenges in grain production.
The past is never dead. It's not even past.
模糊逻辑并不模糊。它是一种关于不精确性的精确逻辑。
记忆是脆弱的,但文学可以把它从遗忘中拯救出来。