We use service centers at major stores. They ship goods back to our national service center for repairs.
我们采用大店服务中心,他们可把产品运送到我们的国内服务中心维修。
He informed the station at once, but no one there was able to explain the mystery.
他马上把情况报告了该基地,但那里的人没有一个能解释这到底是怎么回事。