英语翻译中文是：我们已经收到定金2158美元,但是报价单上是2200美元,不过没有关系,到时候我们见面在慢慢谈.我等待你

预付定金应该是down payment,deposit相当于押金,概念不一样的
Dear Sir/Madam:
we have recieved the down payment USD2,158,but the amount on the quotation sheet is USD2200.We my discuss this later when we meet again so it won't be a problem.
I'm looking forward your next visit,pls birng the sample for R&D and the product specification,detailed requirements can be discussed druing next meeting.
Your reply will be appreciated.
Best Regards!
Yours
xxx