http://www.youtube.com/watch?v=56A2J2JtfOA 0:02 counterfeiting ring 偽札製造組織
http://www.youtube.com/watch?v=CIZGDT7ZqdM 37:05 secret counterfeiting rings
http://www.youtube.com/watch?v=ukX3-L-qYPI 0:51 in Boston, a child prostitution ring (has been) smashed
練習問題解答
a-3955 crime rings
a-7066 a sex-trafficking ring