一家商业广播电台质疑道。

Asked a business radio station.

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我在商业广播电台工作。

I work for a commercial radio station.

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（如果）没有广告，报社、商业广播电台、电视公司就不能生存。

Without advertisements, newspapers, commercial radios and television companies could not survive.

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那些最早的商业电台广播引领收音机产业的大获成功。

Those first KDKA broadcasts led to the success of the radio industry.

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广播电视里的商业广告。

The act of advertising.

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广播电视里的商业广告。

The act of advertising.

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