We have a solid basic knowledge.

我们基础扎实。

youdao

We have solid basic knowledge of English, accounting, economics and enterprise management.

我们在英语，经济，财会和企管方面有着扎实的基础。

youdao

We have solid basic knowledge of English, accounting, economics and enterprise management.

我们在英语，经济，财会和企管方面有着扎实的基础。

youdao