试图在不激发学生学习欲望的情况下进行教学的老师，就像在冷铁上敲打。

采矿业必须发展以满足不断变化的世界的需求。

I would say that in the long run probably Communist China is likely to be in more of an expansionist phase than Soviet Russia...In their tactics, the Chinese Communists are probably the greater menace;

人工智能的未来不仅在于技术，还在于我们如何将其与人类智慧和社会需求相结合。