日期：
来源：雅诚德英语网
At the heart of the debate over illegal immigration lies one key question: are immigrants good or bad for the economy?
关于非法移民的争论的核心是一个关键问题：移民对经济是好还是坏？
At the heart of the debate over illegal immigration lies one key question: are immigrants good or bad for the economy?
关于非法移民的争论的核心是一个关键问题：移民对经济是好还是坏？