可持续农业不是成本，而是我们能做的最明智投资。
Sustainable farming isn't a cost—it's the smartest investment we can make.
你不必完美，只要真实。
It seemed the world was divided into good and bad people. The good ones slept better ... while the bad ones seemed to enjoy the waking hours much more.
数学的力量在于它简化复杂事物的能力。