If one is a first-rate connoisseur, one uses those flaws as bargaining leverage towards a better price, allowing one to buy good art for less money and realize greater profits. "Chang heeded this advice, and from then on abandoned his dreams of becoming a painter.
張允中從善如流，從此放棄當畫家的夢。據張允中描述，林熊光買字畫，經常出題考他，追問他這件收藏品的感覺對不對？