外部市场调研主要采用问卷调查、文案研究、深入访谈和二手资料研究等方法;
Outside market survey adopted questionnaire investigation, case study, deep interview and the study of second-hand materials etc.
外部市场调研主要采用问卷调查、文案研究、深入访谈和二手资料研究等方法;
Outside market survey adopted questionnaire investigation, case study, deep interview and the study of second-hand materials etc.
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