而广告的唯一目的，就在对人们解释这项服务。
With the sole purpose of advertising, is explained in this service.
做生意的唯一目的，就在服务人群；而广告的唯一目的，就在对人们解释这项服务。
The sole purpose of business is service. The sole purpose of advertising is explaining the service which business renders.
做生意的唯一目的，就在服务人群；而广告的唯一目的，就在对人们解释这项服务。 。
The sole purpose of business is service. The sole purpose of advertising is explaining these rvice which business renders.
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