A country like England or France is only able to carry on the agriculture of the present year,because that of past years has provided,in those countries or somewhere else,sufficient food to support their agricultural population until the next harvest.

• 象英国和法国这样的国家，之所以能进行当年的农业生产活动，仅仅是因为这些国家或其他国家以往各年的农业已生产出 足够的食物，可供养其农业人口到一个收获季节。