Mr. Ferry is one of the leading practitioners of exploratory market research in the Boston area, and is also a professional focus group moderator.

Ferry 先生是波士顿地区一位探索性市场研究的顶尖从业者，同时他也是一位专业的焦点小组访问主持人。

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We spoke to a moderator in the Washington, D. C. area.

我们与华盛顿特区的一位管理员进行了交流。

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We spoke to a moderator in the Washington, D. C. area.

我们与华盛顿特区的一位管理员进行了交流。

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