一个关键问题是如何在资源有限的情况下生产更多的粮食。
One key issue is how to produce more food in a world of finite resources.
既然这样，为什么还为不能生产更多的粮食担忧呢？
科学技术已经使农民有可能生产出更多的粮食。
Science and technology have made it possible for farmers to produce more grain.
生产更多更好的粮食，养活我国更多的人民。
Produce more and better food, to feed the people in our country more.
科学技术已经使农民有可能生产出更多的粮食。
Science and technology have made it possible for farmers to produce more grain.
科学技术已经使农民有可能生产出更多的粮食。
Science and technology have made it possible for farmers to produce more grain.
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