lingua franca 通用语
lingua franca language 国际通用语
A: Can English serve as a lingua franca?
A：英语能充当通用语吗？
B: Yes, it is used widely in business.
B：是的，它在商务中被广泛使用。
1) 语言
2) 通用语
1. 语言；通用语
noun
1. A language used for communication between people who speak different languages.
Synonym: language, tongue