The research involves in-depth interviewing.

这一调查包括深入的采访。

《牛津词典》

Because as you can imagine, in-depth research often requires monetary support.

因为，正如您可以想象的那样，深入的研究通常需要资金支持。

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My own research at the Stanford Center on Adolescence uses in-depth interviews with small samples of youngsters rather than large-scale surveys.

我个人在斯坦福青少年研究中心的研究采用的是对小样本的青少年进行深入访谈的方式，而不是大规模的调查。

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In most universities, professors typically work mostly with graduate students on research, and it is uncommon for undergrads to get in-depth research opportunities working closely with professors.

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