因为这是他们与快递公司之间的事的翻译：Because this is a matter between them and express company 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Because it is their matter with the courier companies

Because this is a matter between them and express company

Because this is they and between the express company's matter

Because this is a matter between them and the Express Company

Because this is a matter between them and express company