英语是非常对重要！英语是最广泛使用语言，绝大部分商业信函被用英文写作。

English is the most widely used language, most business letters are written in English.

youdao

英语是非常对重要！英语是最广泛使用语言，绝大部分商业信函被用英文写作。

English is the most widely used language, most business letters are written in English.

youdao