The orderer must then be prepared to respond to a request (callback, in this case) to process the final invoice.

订货方然后必须响应一个请求（在本例中是回叫）来处理最终的货物。

youdao

In most cases, we can only process one return for each delivery invoice. For your benefit, please carefully consider all the products you need to return before calling us.

通常情况下，一张订单只能进行一次退换货操作，所以为了确保您的权益，请您考虑周全后与我们联系。

youdao

The typical electronic legal invoice format captures information such as legal process, practice area, industry, law firm timekeeper (associate vs. partner), law firm size and location.

FORBES: Lawyers Embrace Big Data