当这些心理学家写关于他们自己国家的时候，一切正常。
When these psychologists write about their own country, all is well.
他们决定做个关于世界上不同国家的信息文件夹。
They have decided to make an information fold. er about different countries around the world.
他们决定做个关于世界上不同国家的信息文件夹。
They have decided to make an information fold. er about different countries around the world.
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