my sister works in a (paper's factory \factory of paper\factory of papers \paper factory)为什么,请

my sister works in a (paper's factory \factory of paper\factory of papers \paper factory)为什么,请
my sister works in a (paper's factory \factory of paper\factory of papers \paper factory)为什么,请

my sister works in a (paper's factory \factory of paper\factory of papers \paper factory)为什么,请
paper factory
如果用中文翻译全部都会是对的.但在用英语说工厂的时候都是制造的东西先然后加factory

paper factory,