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

having more capital, standing for a set of values is a key part of our power.

拥有更多资产，坚持价值观,是力量的关键。

普林斯顿公开课 - 国际座谈会课程节选

And they got in this habit of, every time they had a bright, happy text, they'd set this in one kind of mode or key-- a major mode--and every time they had a sad one, they'd set it in minor.

于是人们养成了这样的习惯,每当人们书写欢乐,愉悦的歌词时,他们就设定一个调式或调性,即大调,每当人们书写忧伤的歌词时,他们就定为小调

耶鲁公开课 - 聆听音乐课程节选