It is not easy to imagine why (except for natural wickedness) a man who could afford to own decent rental housing would decide to become a slumlord instead.

• 很难想象，假如一个人（除非天性邪恶）具有相当的经济条件，可以拥有像样的房屋出租的话，他怎么会去作一个陋巷恶霸呢？