buying rate for time bill

例句：

1. 1. The companycharged a high hourly rate for its time billing services.
   该公司对其时间计费服务收取高额的时薪费用。
2. 2.The customer was charged an extra fee for using the time billing system.
   客户在使用时间计费系统时被额外收费。
3. 3.The bank's time billing service is highly efficient and accurate.
   银行的计时计费服务既高效又准确。