办公室相当明亮通风——这是一个愉快的工作环境。

The office is quite bright and airy - it's a pleasant working ___environment.

作为父母，你努力创造一个稳定的家庭环境。

As a parent you try to create a stable home ___environment.

他们需要与亲戚和朋友生活在一个友好的环境中。

They need to live in a friendly ___environment with their relatives and their friends.