Other merchants on Columbus Avenue blame landlord for charging what the merchants call impossible rents. A rule-of-thumb in retail real estate is that rent should not exceed 10 percent of sales.

• 哥伦布大道上的其他商户责备房东把房租订得离谱。根据房地产零租一般规矩来说，房租不应超过营业额的百分之十。