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它仍然是世界上最大的贸易集团。
在1975年，一个主要的广告贸易集团在其内部首次举办了关于生态营销的研讨会。
In 1975, a major advertising trade group held its first workshop on ecological marketing.
当医疗保险行业仍在努力合作推进改革时，其贸易集团提议，为自动化处理技术设立标准化的形式。
When the health insurance industry was still cooperating in reform efforts, its trade group offered to provide standardized forms for automated processing.
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