The Ad Council's pledge is to remain committed and vigilant in establishing a foothold for public service advertising in a rapidly changing media landscape.

广告委员会保证，要在这个瞬息万变的传媒世界，为公益广告建立一个立足之地，并且忠于职守，保持警觉。

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Since creating the category of public service advertisements (PSAs) in 1942, the Ad Council has played an increasingly critical role in our changing society.

1942年，首次出现了公益广告这个类别，自那时起，广告委员会在我们这个不断变化的社会中扮演着越来越关键的角色。

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Against this backdrop and as a public service, the Center for Security Policy today unveiled a television ad campaign aimed at explaining in no uncertain terms the nature and stakes of the conflict we are waging around the world against an Islamofascist enemy bent on our destruction.

CENTERFORSECURITYPOLICY: 'No place to run'