据说，美国媒体在报道国内新闻事件的标题中，一般不提当事人的社会身份，尤其是所属种族，以避免由此导致的“类偏见”。因为当事人的身份是“群体”和“阶层”的指称，它会产生扩大效应，直接影响到公众对其所属阶层和具有相同身份人群的相应的社会评价。去年，北京动物园发 It is said that the U.S. media, in covering the headlines of domestic news events, generally do not mention the social status of the parties concerned, especially the ethnic groups to which they belong, so as to avoid the “prejudice” caused thereby. Because the parties’ identities are “group” and “class” allegations, they have an expanding effect that directly affects the public’s corresponding social assessment of their class and group of people with the same status. Last year, Beijing Zoo hair