视频对话：
I know a lot of people, Detective. A lot of people owe me favors. If I provide the gun...
我认识很多人，探长。很多人都欠我人情。只要我提供枪支……

本期学习词汇：
favor
n. 恩惠；帮忙；

例句：
1. I've come to ask you to do me a favor.
我来这儿是想请你帮个忙。
2. These are gestures of genuine friendship with no favors expected in return.
这是友谊的真正表现，不期待任何回报。
3. Good idea. I appreciate this. Maybe I can return the favor.
好主意。我很感谢你这样做。也许以后我能还你这个人情。