... Quit Liquor Drinking少喝点酒 Problems in Our Grain Production粮食生产的问题 Some Fire Hazards Around Us我们周围的火灾隐患 ...
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然后，解决粮食生产的问题本身也变成了如何更好地改善土壤的问题。
The question of food-production resolves itself, then, into the question how best to fertilize the soil.
面对维持和增加非洲的粮食生产这个巨大挑战，你有什么问题和答案？
What questions and answers do you have when facing the huge challenges of maintaining and increasing Africa's food production?
当前我国粮食生产面临一些不容忽视的困难和问题。
Current food production faces some difficulties and problems that cannot be ignored.
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