So you would say to the gas attendant things like, " Please put $20 worth in" .

因此，您会对加油站服务员说“请投入价值 20 美元”之类的话。

A full serve gas station, a gas attendant will come out and they will pump the gas for you.

一个全服务的加油站，加油员会出来，他们会为你加油。