保证对商务英语基础的学习的翻译：Assurance on business English learning 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

To ensure that the learning of English for Business based

Assurance on business English learning

Guarantee to commercial English foundation study

Ensure that the foundation of business English language learning

Assurance on business English learning