选择乐观

摘要：

@@ I teach economics at UNLV ( =University of Nevada,Las Vegas, 内华达大学拉斯维加斯分校 ) three times per week. Last Monday,at the beginning of class,I cheerfully asked my students how their weekend had been. One young man said that his weekend had not been so good. He had his wisdom teeth ( 智齿,第三磨牙)removed. The young man then proceeded to ask me why I always seemed to be so cheerful.

在线出版日期：2006-10-17（万方平台首次上网日期，不代表论文的发表时间）

页数：共1页

页码：22