在我们定价之前，我们的了解你们将收取多少服务费用。
Before fixing our prices, we have to know what your service charges will be.
amazon向ami用户收费，所以在执行之前请仔细检查您帐户的费用和条款。
Amazon charges for paid AMIs, so review the fees and terms of your account very carefully before proceeding.
另外，经营商必须先行资助这些补贴，也就是说，项目要求他们在费用偿还之前完成管道的修建工作，从而使各方面都具有完成项目的动力。
Furthermore, operators had to prefinance the subsidies, that is, they were required to complete the piping work before being reimbursed, thus giving all parties incentives to perform.
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