求翻译：它有利于充分发挥访谈双方的主动性和创造性。但是，这种访谈方法对访谈员的要求比较高，这种访谈方法所得的资料难以进行统计处理和定量分析；而且特别耗费时间，使得访谈的规模受到较大的限制。是什么意思？

It has to give full play to interview both the initiative and creativity. However, this interview the interviewers are relatively high, the information obtained from this interview method is difficult to carry out statistical processing and quantitative analysis; and in particular, time-consuming, m

It is conducive to both the full interviews of the initiative, and creativity. However, this approach to interviews on the request of the interviews are fairly high, and this interview method of handling information is difficult to carry out statistics, quantitative analysis and time-consuming, and

It is advantageous to the full display interview both sides initiative and the creativity.But, this interview method quite is high to the interview request, this kind of interview method obtained material carries on statistical processing and the quantitative analysis with difficulty; Moreover costs

It is useful to interview both initiative and creativity into full play. However, this method of interview requests for interviews is relatively high, the statistical processing of information difficult to interview method and quantitative analysis; and particularly time consuming, making interviews

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