The official working language is English.

该行官方工作语言为英语。

Pages should be written in the official working language of the committee.

意向条的书写需要符合该委员会的工作语言要求。

There are far more foreigners working in Copenhagen than ever before, a result of more and more companies employing foreigners and even making their official business language English.

由于越来越多的公司雇用外国人，在这儿工作的外国人比以往任何时候都多，有的公司把工作语言都变成了英语。