And,each player's observations and interactions with the local people vary greatly, depending on his background.

VOA: standard.2009.11.05

And I am able to vary the voltage on the plates making this for argument's sake negative and this for argument's sake positive.

我可以改变两个板子上的电压,为了论证，这个是负电,这个是正电。

麻省理工公开课 - 固态化学导论课程节选

They are always say 32 bits or always 64 bits they do not vary in size based on what they're pointing at.

它们总是32位或者总是64位，它们的大小不会因它们所指的,内容不同而不同。

哈佛公开课 - 计算机科学课程节选

Three ounces of meat might have x calories or it might have y calories depending on what the meat is, how much salad dressing gets thrown on a salad, how much of this gets or that gets put in a food will vary its calorie content a lot.

三盎司的肉也许有x卡路里,也许有y卡路里,取决于肉的种类,色拉中放了多少色拉酱,在食物中有多少这个或那个,也会导致卡路里含量的差异

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选