He discovered that these people worked in the pub at 7 Cambridge Street.

他发现这些人都在剑桥街7号的酒馆里打工。

I worked for a security agency that protected private homes, and also important people like famous actors and politicians.

我在一家安全机构工作，负责保护私宅以及一些重要人物，比如著名的演员和政治家。