因为他们原来的与我们签定的雇用合同已经过期,的翻译：Because they originally signed with the US employment contracts have expired, 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 of their original employment contract signed with us has expired,

Because they originally signed with the US employment contracts have expired,

Because they original evaluate with us employment contract already expired,

Because of their original and we have signed the contracts of employment had expired.

Because they originally signed with the US employment contracts have expired,