一旦有 市场研究的需要，他们往往就那么两招：问卷调查和小组座谈会（focus group）。

They may rely on the standard techniques — usually surveys and focus groups — whenever research needs to be conducted.

youdao

一旦有 市场研究的需要，他们往往就那么两招：问卷调查和小组座谈会（focus group）。

They may rely on the standard techniques — usually surveys and focus groups — whenever research needs to be conducted.

youdao