The future of coal depends on balancing economic growth with environmental care.
煤炭的未来取决于经济增长与环境保护之间的平衡。
关键是享受过程,而不仅仅是结果。
工资与就业之间的关系并不像某些模型所暗示的那样简单。
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
一个人不能失去欲望。它们是创造力、爱和长寿的强大刺激物。