你对此预先筛选问卷的设计和焦点小组访谈草案的了解为何？
What do you make of the design of the pre-screening questionnaire and the focus group interview protocols?
你可以让人们填写问卷或者进行访谈，从中筛选并且保留你所需的信息。
You can request people to fill in questionnaires or take interviews, sift through them and retain whatever is necessary.
“人们并不是自愿来找我们”，张先生回忆说，“因此我们散发调查问卷，并从所有灾民中进行筛选。”
"People would not come to us voluntarily," recalls Zhang, "so we distributed questionnaires and screened all the victims."
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