Do we have to use any particular method to get our data? Can we mail out a questionnaire, or do face-to face interviews, or maybe even observations?
我们需要用什么特殊的方法来收集数据吗？邮寄调查问卷，或做面对面的采访，甚至是通过观察呢？
Gather several friends and divide them into groups. Then, at a certain time one Saturday morning, E-mail out the secret ingredient. Everyone has to report back to, say, your house at 5:00.
聚集几个朋友，给他们分组，在周六上午的某个时间给他们发电子邮件，告诉他们神秘食材，每个人都必须在5点将成品带到你那儿。
Gather several friends and divide them into groups. Then, at a certain time one Saturday morning, E-mail out the secret ingredient. Everyone has to report back to, say, your house at 5:00.
聚集几个朋友，给他们分组，在周六上午的某个时间给他们发电子邮件，告诉他们神秘食材，每个人都必须在5点将成品带到你那儿。
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