化用古人诗句,形容自然之宏大与人力之渺小。
体操是我做的事,而不是我是谁。
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 try to make my drawings as clear and simple as possible, so that the reader can understand the story without any confusion."