英语问题11 with a large population...With a large population,each person produces less ande this means a lower income than 【could be obtained】 with a smaller population.句子意思?为什么用could be obtained

问题描述:

英语问题11 with a large population...
With a large population,each person produces less ande this means a lower income than 【could be obtained】 with a smaller population.
句子意思?为什么用could be obtained

翻译: With a large population,each person produces less and this means a lower income than 【could be obtained】 with a smaller population. 随着人口越来越多,人均产量就越少,这就意味着人民平均收入要比人口少时的平均收入低.
could be obtained 这个是被动语态,income是被得到,获得的.