粮食安全的未来就在波涛之下，我们必须负责任地养殖。
All things are in a state of flux.
森林的真正价值不能仅用板英尺来衡量。
The most important thing in life is to be happy.
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
我们必须通过文学来理解我们的历史。