Now, lingua franca literally means language of the Franks, which at the time of its creation, really referred to all Western Europeans, not just the people who live in what is now France.
现在, lingua franca 的字面意思是法兰克人的语言,在它诞的时候, 实际指的是所有西欧人,而不仅仅是在现在法国境内的人。