piaget argued that once adolescents enter the world of work, their newly acquired ability to form hypotheses allows them to create representations that are too ideal.
2016年6月六级真题（第三套）阅读 Section A
柯林斯高阶英汉双解学习词典释义
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代表;代理
If a group or person has representation in a parliament or on a committee, someone in the parliament or on the committee supports them and makes decisions on their behalf.