The question of food-production resolves itself, then, into the question how best to fertilize the soil.

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。

youdao

The question of food-production resolves itself, then, into the question how best to fertilize the soil.

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。

youdao