Wal-Mart said it will require third-party certification that suppliers are meeting all the safety, labor and environmental standards required by local laws.
沃尔玛说,将要求第三方认证确保供应商达到当地法律在安全、劳动用工和环保方面的规定。
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For this post, I've noted two ways to quantify the value of a certification by focusing on the value of the labor spent to study for a certification.