Then do some open-ended interviews and unstructured live observations with a representative sampling of your customers.
然后再选取有代表性的客户样本，举行一些开放式的访谈，以较为松散的方式观察他们的现场反应。
Some matters about representative sampling and sampling techniques were also discussed.
同时讨论了采样方法技术以及采样的代表性等问题。
Some matters about representative sampling and sampling techniques were also discussed.
同时讨论了采样方法技术以及采样的代表性等问题。
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