我不需要王冠来证明我是国王。

"To be a writer is to sit down at one's desk in the chill portion of every day, and to write; not waiting for the little jet of the blue flame of genius to start from the breastbone--just writing."

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。

I am heartily rejoiced that my term is so near its close.