If all men were rich, all men would be poor.
如果所有的人都是富有的,那么所有的人都是贫穷的。
"I don't write with any audience in mind. I just write."
柠檬问题发生的原因是卖家比买家更了解产品,从而导致市场失灵。
现代教育者的任务不是砍伐丛林,而是灌溉沙漠。