许多超市都设有保安岗位采对付窃贼，但现在许多这样的超市还安装了闭路电视装置来防盗。

Drive-in Service is a service which enables customers to do ordering without having to step out of their ears, which is now available in fast food restaurants like the McDonald’s, the KFC, etc.

Some supermarkets have special detectives to watch out for thieves. But most such shops have installed closed circuit TV to prevent theft.