在上世纪90年代的一次实验中，普林斯顿大学的心理学家乔尔·库珀等人要求参与者写关于反对为残疾人提供资金的文章。
In one 1990s experiment, a team including psychologist Joel Cooper of Princeton asked participants to write essays opposing funding for the disabled.
莫尔森·库尔斯(Molson Coors)公司于1959年推出铝制容器，该公司称，现在饮料的铝罐平均厚度只有上世纪60年代的一半。
The average aluminium drink can is now only half as thick as it was in the 1960s, according to Molson Coors, the firm that introduced this type of container in 1959.
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