对话应当面面俱到，无所不谈，但又不可深谈。
A man is rich in proportion to the number of things which he can afford to let alone. That man is the richest whose pleasures are the cheapest.
名称没有本来就合适的，而是由人们共同约定来命名的，约定俗成就是合适的，与约定不同的就是不合适的。
The development of the industry depends on talent cultivation, and we must emphasize education and research.