求翻譯：Now that the causes for heavy traffic are organized, some solutions must be made in order to alleviate the traffic problem. Firstly, I suggest that we should restrict the growth of the private cars. The government should encourage people to take bus instead of drive their private cars. Secondly, it is advisable to prom是什么意思？

待解決 懸賞分：1 - 離問題結(jié)束還有