the communication problem that a lingua franca helps to overcome
用法筆記
Most commonly used in the singular form (a lingua franca). The plural lingua francas is accepted in modern English; the original Latin plural linguae francae is very rare and may sound overly academic.
常見錯誤
Mandarin is my lingua franca.
Mandarin is my native language.
Lingua franca is a shared language between groups, not a mother tongue.
She is a real lingua franca — she speaks five languages.
She is a polyglot
she speaks five languages.' — Lingua franca refers to a language, not a person.
There are several linguae francae in the region.
There are several lingua francas in the region.
The English plural lingua francas is preferred over the Latin original.