But experts have largely dismissed that idea, Yairi said.

但专家基本上排出了这种可能，Yairi说。

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A researcher and professor emeritus, Yairi is also a stutterer, who speaks at a measured, slow pace.

这位口吃研究专家和荣誉教授自己也有口吃，他总是一字一顿，非常缓慢地说话。

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It's only as they mature and perceive the negative reactions that they become anxious and ashamed, Yairi said.

只有成熟后，才会因为口吃造成的负面反应开始焦虑和自卑，Yairi说。

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