当今社会，随着交换关系的日趋复杂，市场主体对诚信的需求也日趋强烈。
Nowadays society, is getting a complicacy with every passing day with exchanging relation's, the marketplace main body is also getting an intensity with every passing day to sincere message need.
社会心理学家把相互利益关系分类为要么是公共关系要么是交换关系。
Social psychologists classify mutually beneficial relationships as either communal or exchange.
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