广告业是一项高度发达的工业。

Advertising is a highly developed industry.

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在高度发达的工业社会，人口问题会更加复杂。

In a highly industrialized society the problem may be more complex.

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在高度发达的工业社会，人口问题会更加复杂。

In a highly industrialized society the problem may be more complex.

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