高分子化学的引入开辟了一个新的材料世界,其重要性可与哥伦布发现新大陆相媲美。
The construction of intelligent mines is the future direction of the coal industry.
The monument is a fixed point in the changing city.
领导力在于激励他人看到可能性。
Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.