A few days later, a letter arrived asking me to call at the station.
A few days later, a letter arrived asking me to call at the station.
几天后，来了一封信，叫我顺便到那个警察局去一趟。
A few days later, a letter arrived asking me to call at the station.
几天后，来了一封信，叫我顺便到那个警察局去一趟。