中译英：每个月的货款可以集中起来一次支付，不要按发票汇上很多次

A monthly total payment would be appreciated.

a monthly lump sum payment can be together, do not click many times on the invoice exchange

每个月的货款可以集中起来一次支付，不要按发票一笔一笔地汇上很多次
Every monthly money for buying or selling goods can concentrate a payment , converge do not go ahead at one stroke at one stroke according to receipt very many times