inspektor 用英语:

The inspector asked to see our train tickets.

He is a sanitary inspector.

survey -> surveyor

But if I'm not mistaken and my history could be wrong, but when they were putting in the railway they couldn't get through the Rockies until they finally... I think Rogers was the guy, the lead surveyor or whatever he was, who found the pass to get the

The surveyor could also advise the promoters which route could be most easily—and therefore most cheaply—constructed.