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direct marketing by house-to-house selling

英 [dəˈrekt ˈmɑːkɪtɪŋ baɪ haʊs tu haʊs ˈselɪŋ] 美 [dəˈrekt ˈmɑːrkɪtɪŋ baɪ haʊs tu haʊs ˈselɪŋ]

挨户直接销售

经济

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