中国公路目前有什么问题？怎么改善这些问题？用英语回答。

Question

越简单越好

Answer 1

The main problems of Chinese highway are the large investment in construction and chaotic management. The most effective solution to the problems are enlarging the investment of government in highway and strengthing the supervision on it.
中国公路的主要问题是高额的建设投资和管理混乱。最有效的解决办法是在建设中加大政府投入，加强监督管理。