我知道我的客户已经解决了这个难题。的翻译：I know that my customers have resolved the problem. 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

I know my customers have to solve this problem.

I know that my customers have resolved the problem.

I knew my customer has already solved this difficult problem.

I know that my clients have already resolved the problem.

I know that my customers have resolved the problem.