collector

The art collector spent millions on a rare 17th-century painting.

(Chinese) 这位艺术收藏家花费数百万美元买下了一幅稀有的17世纪油画。

As a stamp collector, he has albums filled with postmarks from around the world.

(Chinese) 作为一名集邮者，他的相册里装满了来自世界各地的邮戳。

The ticket collector walked down the train aisle checking everyone's passes.

(Chinese) 检票员走在火车过道上，检查每个人的车票。

The debt collector contacted the family daily regarding the unpaid hospital bills.

(Chinese) 催收员每天联系这家人，询问未支付的住院账单。