重点俚语
1、Perpetrator：criminal
2、To sell like hotcakes：sell quickly and easily
3、Knockoffs：copies
4、Be saddled with debt：have heavy debts
5、A hot issue：热门话题。Example：What age should people be able to drive a car?
6、Freebies：免费赠品(礼物、膳食等)
7、To polish (a skill) ：完善(技能)
8、To growl：咆哮
课后问题

1、Does Xiao Gao think the black market is getting bigger?
2、What kinds of things does Xiao Gao see on the black market?
3、What does Xiao Gao say is a good way to polish your listening skills?
参考答案

1、No，it isn't. It's shrinking.
2、Watches, knockoffs and clothing.
3、Watching television series is such a good way.