他们可以区分哪些是公司狡计宣传产物的广告说辞，哪些是来自自力认证机构的评价。
They distinguish between advertising clams that companies make about their won products and claims made by independent certification agencies.
他们可以区分哪些是公司狡计宣传产物的广告说辞，哪些是来自自力认证机构的评价。
They distinguish between advertising clams that companies make about their won products and claims made by independent certification agencies.
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