China has found some good solutions ________ the population probl_英语解答

China has found some good solutions ________ the population problems.
这里为什么用to而不用of?

人气：442 ℃　时间：2020-04-03 09:07:23

解答

solution to sth.
是固定讲法,某事的解决方案,一定要用介词to
句意：中国已经发现一些解决人口问题的好方法.