至于名人代言广告并不涉及“主角”销售，证据是复杂的。

Regarding the appearance of celebrities in advertisements that do not involve host selling, the evidence is mixed.

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以职业运动员和他们的代言产品为特色的广告往往会在电视、广播、印刷品和网络上得到令人印象深刻的曝光。

Advertisements featuring professional athletes and their endorsed products tend to get impressive exposure on TV, radio, in print and online.

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从此，长期以来备受争议的名人代言医疗产品广告、姓名解析、交友聊天等广告将退出广播频率和电视荧屏。

That's when the controversial celebrity medical advertisement on radio and TV will be banned. Other advertisements to be banned include name analysis and chat dating.

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I don't know if any of you watched tennis recently, but the U.S. Open has been shown and there's an Oreo advertisement with the William sisters and so you--that's why people know about these foods.

不知道你们最近看没看网球赛,美国网球公开赛上有一则奥利奥广告,是由威廉姆斯姐妹做代言的,人们以这种方式听说这类食品

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And then he does the line from the Kellogg's Corn Flakes commercials, you know,

然后他说了凯洛格玉米片广告的代言人的台词，

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