Buresh and his colleagues have come up with a set of key questions that will help farmers make that decision.

VOA: standard.2010.07.28

In a help session what he might do typically is solve between four and eight problems that illustrate the key principle being talked that week.

在帮助课程中他一般会,解决4到8个问题,来阐明那一周教的关键原理。

麻省理工公开课 - 媒体、教育、市场课程节选

If you're getting these compilation errors, well, -- when you compile, notice there's a number of key help -- the number of helpful tidbits here.

如果你们得到了这些编译错误，当你编译的时候，注意这里有很多关键帮助-,这里很多帮助信息。

哈佛公开课 - 计算机科学课程节选

For example, they help us think beyond what we are thinking right now, broaden our thinking; they help us build relationships; they help us build capacities-- remember one of the key concepts of this course is the positive emotions, positive psychology as a field as a whole, is about building capacities.

比如它们有助我们超越,现在的思考范畴，拓展我们的思想;,有助我们建立人际关系;,帮助我们建立能力-,这门课的一个主要概念,就是积极情绪，积极心理学，就是要建立能力。

哈佛公开课 - 幸福课课程节选