We had to remind them that the use-case documentation wouldn't be "finished" until the software was delivered, unless they didn't want us to update the use cases as requirements changed or emerged.

我们必须提醒他们用例文档直到软件被交付才会被“完成”，除非他们不想让我们在需求变化或者新需求出现时更新用例。

youdao

It would have been, indeed, difficult to answer letters not delivered to us, or to acknowledge receipt of goods which never came to our possession.

对未送到本公司的函件很难回复，未收到货物，无法寄交收据。

youdao

Or if they can't explain to us the process of how they delivered results.

WSJ: What It's Like to Interview at Amazon