Think of a specific setting, and a specific group of people that you influenced.

想想在某一特定情形，你所影响的某一特定人群。

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For example, the "specific group" could be "producer of wheat in Iowa";

例如，“特定群体”可以是“爱荷华州的小麦生产者”；

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For example, the "specific group" could be "producer of wheat in Iowa";

例如，“特定群体”可以是“爱荷华州的小麦生产者”；

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