The best time to start talking about cheating is when they begin school.

在他们一进入学校就来讨论作弊问题是最合适不过了。

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youdao

Once they enter school, children begin to define subjects and erect boundaries that needn't otherwise exist.

一旦他们进入学校，孩子们就开始定义学科，并设立不必要的界限。

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During the fourth year, students begin contacting hospital programs for the additional training they will need after medical school.

VOA: special.2010.07.13

Programs begin in elementary school and continue through middle and high school.

VOA: special.2009.11.27

Children are not prejudiced against classmates with disabilities when they begin school - suggesting that negative attitudes are learned rather than instinctive, say researchers.

BBC: News | Education | Children learn prejudice against disabled

The hostility that these children can later face suggested to researchers that negative feelings towards the disabled are acquired rather than already present when children begin school.

BBC: News | Education | Children learn prejudice against disabled

She returned to the U.S. to begin law school at Columbia University, and moved to an apartment in Manhattan.

CNN: NIGHTMARE IN NEW YORK