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农业的可持续性不是一种选择,而是对后代子孙的必要责任。
The desire for recognition is the most fundamental human desire, and it is the source of both the greatest achievements and the greatest tragedies in human history.
Every experiment is a step towards understanding the complex mechanisms of life.
一本书就是你握在手中的一个梦想。
I therefore have decided to read only the writings of men who have been executed or have risked their lives in some way.