B:A Datsun 280Z is $20 a day and 10 cents a mile. If you buy gasoline on the way, please keep the receipt. We will deduct the amount from your bill. 日产280Z第天20美元并且1英里10美分，如果途中你买油的话， 请保留收据，我们会从你的账单中扣掉。
A:Do you charge mileage? 里程算钱吗？
B:No. Our cars are all flat rate. 不，我们的车都是 一个价格。
Is insurance covered? 包括保险吗？
Is the cost of gasoline included? 包括油费吗？
How much will it be if I go over the rental period? 如果我超过租期要加多少钱？
