The supposed importance of influentials derives from a plausible sounding but largely untested theory called the " two step flow of communication" : Information flows from the media to the influentials and from them to everyone else.

人们之所以认为影响者很重要，是源于" 两级传播" 理论。即信息先从媒体流向影响者，然后再从影响者流向其他人。这一理论看似合理，但未经验证。

This part of the brain is where our instincts derive from.

大脑的这一部分是我们本能的来源。

And, of course, as a filmmaker, what he suddenly realizes everything I've done in the past, that I thought was stunningly original, all the rest, all derives from Homer, from the Odyssey.

当然，作为一个电影人，你会突然意识到，我过去所做的一切，那些我以为极具原创性的东西，所有这一切，都源自荷马，源自《奥德赛》。

The word" perfume" is derived from a Latin phrase which means" through smoke" .

“香水”这个词来源于拉丁语“透过烟雾”。

What benefits do you tell people they'll derive from eating this way?

这种饮方式的好处是什么，你们是怎样给大家讲解的？

Because the Food and Drug Administration (FDA) has not defined the term, companies can use it to refer to pretty much anything derived from a plant or animal.

因为药物管理局（FDA）还没有定义这个术语，公司可以用它来指代几乎任何来自植物或动物的东西。

These are pollutants or particles derived from human activity, or dust from other continents.

这些污染物或颗粒来自人类活动或其他大陆上的灰尘。

You must derive a great deal of satisfaction from the garden.

你一定从花园里得到了极大的满足感。

And pathogen-fighting drugs derived from nature, are just the beginning.

病原体战斗的药物只是个开端。

The name derives from the placard atop Ken Kesey's infamous bus, of course.

这名字源自于肯·克西那辆臭名昭着的校车的名字。

Icelandic, a North Germanic language derived from Old Norse.

冰岛语，一种源自古挪威语的北日耳曼语言。

This is exactly how I derived my palette.

我就是这样推导出我的色彩板。

For a number of years now, scientists have been working out how we can derive energy from renewable sources, such as the sun and wind, without causing pollution.

科学家已经花费数年在研究我们该如何从可再生资源中提取能源，比如说太阳、风力资源，它们不会造成污染。

Which of these adjectives is derived from a Latin term meaning steersman?

这些形容词中有哪些源自拉丁语中表示舵手（steersman）的词？

The ancient Greeks developed basic memory systems called Mnemonics. The name is derived from their Goddess of Memory, Mnemosene.

古希腊发明了基本的记忆系统名叫记忆术。名字来源于他们的记忆女神，摩涅莫辛涅。

After all these years, I still derive energy and motivation from that very subtle tension and I still marvel at how much fun the learning process is.

这么多年过去了，我仍然从这种微妙的紧张中汲取能量动力，我仍然惊叹于学习过程是多么乐趣。

Well, I think that if the great majority of people try to derive maximum utility out of a service, like using cell phones and the convenience that cell phones provide, that sacrifice is necessary for satisfaction to occur.

我觉得如果绝大多数人想要从某项服务中获得最大功利，比如使用手机、享受手机所带来的便利，那么为了满足需求，这种牺牲就是必要的。

Some of those ingredients or materials that are incorporated into diapers are derived from petroleum.

尿布中的一些成分或材料来自石油。

So traditionally when we think about ice cream, we think about gelato, it's made with butterfat, fat derived from dairy, i.e. milk or cream.

传统上，当我们提到冰淇淋，或者提到意大利冰淇淋时，所用的脂肪往往是乳脂肪制成的，即来自乳制的脂肪，如牛奶或奶油。

But with its spread to Sassanid Persia, it acquired its current name and terminology– " chess, " derived from " shah, " meaning king, and " checkmate" from " shah mat, " or " the king is helpless" .

但它传播到萨珊王朝的波斯后，就获得了现在的名称术语——" 国际象棋" 源自" shah" ，意思是国王，而" 将军" 来自" shah mat" ， 意思是" 国王孤立无援" 。