[] () a person whose tastes and opinions are respected within a social group, and who therefore influences what people in that group buy意见领袖（指某人的品味和见解受到某一社会群体尊重，因此他会对这个群体的购买行为产生影响）◆Many marketing campaigns aim to identify and target opinion leaders.许多营销活动的目的在于找到和锁定意见领袖。