He can find faults with the goods even if he is quite satisfied with them,he must still pretend to be unsatisfied with them,so that he can successfully make the price decine to its minimum.

• 他可以挑剔商品的毛病，尽管他对商品非常满意，他还是必须假装对它们不太满意，这样他能成功地使价格降到最低点。