Samantha : In this month's Dateline USA, we'll hear from a pair of professors on opposing sides of this issue, as well as some American consumers.
Samantha : In this month's Dateline USA, we'll hear from a pair of professors on opposing sides of this issue, as well as some American consumers.
萨蔓莎:在本期的“美国报道”中,我们来听听两位教授的看法,他们对这个问题各自持对立的观点,再看看一些美国消费者都是怎么说的。