英语是许多国家的共同语言。

English is a common language in many countries.

科学家们使用数学作为他们的共同语言。

Scientists use mathematics as their common language.

音乐可以成为不同文化之间的共同语言。

Music can be a common language between different cultures.

我们需要找到一种共同语言来解决这个问题。

We need to find a common language to solve this problem.

在国际会议上，法语常常被用作共同语言。

At international conferences, French is often used as a common language.

我们把英语当作共同语言使用。

We employ English as a common language.

缺乏共同语言很难（相互）联系。

The lack of a common language made it very difficult to intercommunicate (with each other).

我们没有共同语言。

We don't share a common language.

我们应当把英语当作共同语言使用。

We should employ English as a common language.

他们正用德语交谈，这是他们唯一的共同语言。 。

They were conversing in German, their only common language.