吧題目發(fā)過來= =How many people are there in China? 1400000000. A large population causes many problems in the city and the countryside, isn't it? Now, the population of the city is much more than that, the countryside so, China's one-child policy, to control population growth. So, in order to our beautiful home, we should abide by the state policy,不知道來得及來不及，以后你又不會的，可以去百度翻譯就可以了。