游人一家一家地在公园四处漫步。

Families were strolling around the park.

《牛津词典》

一家工厂提出的需要再建一家工厂的要求。

The demand generated by one factory required the construction of another.

《柯林斯英汉双解大词典》

他8点钟在一家餐馆有一个约会。

He had an engagement at a restaurant at eight.

《柯林斯英汉双解大词典》

So one case to think about is what if the other firm, you're Coke, what if Pepsi is pricing below cost?

一种情况是如果另一家公司,假如说你是可口可乐,如果百事可乐定价低于成本怎么办

耶鲁公开课 - 博弈论课程节选

In another social example, maybe you go with friends to a restaurant that you heard it was decent.

在另一种社交的情况中，可能你跟你的朋友们去一家口碑不错的餐厅吃饭。

Let's 课堂 - SpeakingMax英语口语达人

This was motivated by a spectacular failure of a brokerage, Goodbody & Co., in 1970.

一家证券经纪行的倒闭改变了这一状况,古德巴迪公司,于1970年倒闭

耶鲁公开课 - 金融市场课程节选