Excellent outdoor PSAs conducive to shaping the city external image, and plays a huge role for people's moral cultivation.

优秀的户外公益广告不仅有利于塑造城市的对外形象，而且对市民的文化道德修养起着潜移默化的巨大作用。

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China began a nationwide public service advertising campaign in 1996, and since then numerous PSAs have appeared around the country.

中国在96年展开了一场公共广告服务的运动，从那时候起，大量的公益广告在全国涌现。

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The agency says parent support advisers or PSAs offer help from running settling-in sessions and workshops to accompanying parents to meetings.

该机构指出，家长支持顾问或者公益广告从融入的对话和研讨会中提供帮助与家长们协同商议。

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PSAs highlights what the taxpayer is buying, and what the consumer of public services is getting.

ECONOMIST: Public spending

Other PSAs will feature the likes of Oprah Winfrey and Steven Spielberg and Tom Hanks.

WHITEHOUSE: Joining Forces to Support Military Families

PSAs, which also apply to Exxon's Sakhalin project and to a Siberian development led by Total, a French firm.

ECONOMIST: Russian energy