谷物不仅仅是一种商品，它是文明的基础。
Grain isn't just a commodity; it's the foundation of civilization.
The best way to predict the future is to invent it.
The ethical implications of gene editing must be considered at every step.
当你借出某物时，假装你是在赠送。如果它被归还，你会感到惊喜和快乐。