Then some of them got a reward for drawing and their motivation changed.

然而他们中的一些人因为绘画而得到了奖励，所以他们的动机改变了。

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Then some of them got a reward for drawing and their motivation changed.

然而他们中的一些人因为绘画而得到了奖励，所以他们的动机改变了。

youdao