[mass noun]the action of renting out a property 出租 the premises were safe at the time of the letting. 出租时,房产是安全的。 [count noun]she introduced prospective tenants and arranged lettings. 她介绍可能的租户,并安排出租事宜。 ■[count noun]a property that is let or available to be let 已租出或待租房产