Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.
Grain farming isn't just a business—it's a responsibility to future generations.
我想要成为变成一个什么样的人?这是我们每一个人都应该反复思考的问题。
现代采石必须将地质学的智慧与工程的创新相结合。
技术最大的敌人是惯性。