营销人员必须明确证实其在产品包装上做的广告，并将这些广告限定为一个具体的益处，例如有多少产品被回收利用。

Marketers must qualify their claims on the product packaging and limit them to a specific benefit, such as how much of the product is recycled.

youdao

但是这是第一个明确证实使用行动电话会增加致癌风险的研究报告。

But it is the first to show clear evidence that mobile phone use could increase the risk of getting tumours.

youdao

河蓝德先生并未明确证实，千禧年恐慌是否在欧洲和地中海历史中扮演关键的角色。

Mr Holland doesn't quite prove that millenarian angst was a decisive factor in the history of Europe and the Mediterranean.

youdao