Groups were assigned and the students came from all over the world, so we made great efforts in the selection of the student groups that we put together.

对来自世界各地的学生,进行分组，我们花了很大力气选择,放在一起的组。

麻省理工公开课 - 媒体、教育、市场课程节选

The first phase required them to identify a customer that was not well-served by Merril Lynch, or perhaps a new customer and to profile those customers in terms of their risk and investment profits.

第一个是要求他们找到,未受到美林良好服务的顾客，或者是一个新顾客,并且根据风险和,投资利润对顾客分组。

麻省理工公开课 - 媒体、教育、市场课程节选

It wasn't the--in a place where they use the Mediterranean Diet or not -but it was how much did individuals actually follow the Mediterranean Diet and then they looked to see what impact that had on health.

这不是基于某地区是否处于地海式饮食区,而是基于受测个体本身,遵循地中海式饮食的程度进行分组,然后观测其对健康的影响作用

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选