You know, you've seen, and there are some products where they sell themselves as no-ad products.
你知道,你也见过,有的产品销售的时候号称无广告产品。
广告和价格的关系 - SpeakingMax英语口语达人
I don't know if you've seen this no-ad sunscreen for instance.
我不知道,举例来说,不知你见没见过这种无广告防晒霜。
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