yqesl1牛人大佬：
2019年5月份下的一个单子，没有付款，到现在400多天了，每天一封邮件，锲而不舍 。我发誓，不会付款，看他们能发多少天。

Hi **,

This is a notice to remind you that you have an invoice due on 2019-05-27. We tried to bill you automatically, but were unable to because we don’t have your credit card details on file.

Invoice date: 2019-05-25
Invoice #: 615161
Amount due: $307.99 USD
Due date: 2019-05-27

mlc牛人大佬：
工单取消呗，他们没自动取消的