为解决交通难的问题，有人建议多建造马路。
2．有人则建议限制私家车的数量。
3．我的看法。

By the time he was 18 years old, he had developed to the extent that he never listened to his parents’ advice. 点击查看答案

If we are discouraged at the start, we will never succeed. 点击查看答案