301.vigilante ：治安保持会
A person or group who takes the responsibility of a law enforcement officer into their won hands.
承担执法职员保持治安责任的个人和群体。
The subway vigilante in New York was in the media for weeks.
纽约地铁治安保持会几周来遭到了媒体的关注。
302.war crime ：战争犯罪
Crimes that violate the customs and laws of war.
违犯战争法律和战争习惯的犯罪。
The retired1 officer was found guilty of war crimes when evidence was uncovered during a recent investigation2.
在近期的一次调查中发现的证据证明这位退休军官曾有战争犯罪。
303.white-collar crime ：白领犯罪
Crimes committed by persons in businesses including expense-account padding, stealing office supplies, price-fixing, product fraud, etc.
公司员工的犯罪，包含虚报开支、偷盗办公用品、私定价格、商品欺诈等。
Businesses are losing millions of dollars, and products are more expensive due to white-collar crime.
因为白领犯罪，企业界每年损失数百万USD，商品也因之更贵。