Let me introduce a couple of technical terms: extrinsic value and intrinsic value.

外价值和内价值。

I originally took this job because it gave me the extrinsic pleasure of money.

起初做这份工作是因为钱所带来的外源性快乐。

And you have to rely on other extrinsic rewards to get you up and going again.

你需要依靠外界其他的奖赏，来驱你继续前进。

I'd like to make a distinction between 2 kinds of pleasure: extrinsic and intrinsic.

现，我要区分两种愉快：外源性和内源性。

If I value something as a means to something else, then it has what we will call “extrinsic value.”

果我视某件事物为达到其他事物的手段，那么这件事物有“外价值”。

" Extrinsic" would be something that comes from the outside.

“外” 是来自外部的东西。

Extrinsic motivation, things like rewards and punishment, does have its uses too.

外，奖励和惩罚，也有其用途。

" Intrinsic" can sometimes also be used to compare or contrast with " extrinsic."

“内” 有时也可以用来与“外” 进行比较或对比。

So this is really separating intrinsic from extrinsic.

DUBNER：所以这实际上是将 intrinsic 和 extrinsic 分开。

We have to explain them by appeal to an extrinsic cause.

我们必须用一种外原因加以解释。

Whether it is intrinsic or extrinsic, motivation influences one's willingness and enthusiasm to learn.

無論是內還是外, 動機都會影響一個人的學習意願和熱情。

The first way is called the extrinsic pathway, which starts when tissue factor gets exposed by the injury of the endothelium.

第一种是外源性凝血途径由组织因子暴露于血管壁损伤处后启。

And I realized my motivation used to be extrinsic, wanting people to be helped and be inspired.

我意识到我的曾经是外的，希望人们得到帮助和启发。

The first type is extrinsic where people do something because they want to get some external rewards.

第一种类型是外的， 人们做某事是因为他们想获得一些外部奖励。

But extrinsic reasons are not the only ones for staying married and for living together in families.

但外原因并不是人们保持婚姻和共同生活家庭中的唯一原因。

Hence to understand and test a philosopher's leading principles you do not need the extrinsic aid of special experience.

因此，要理解和检验哲学家的主要原则，你不需要特殊经验的外帮助。

It is important to realize that these questions deal only with the extrinsic conditions shaping marriage relationships.

重要的是要认识到，这些问题只涉及塑造婚姻关系的外条件。

By " extrinsic reading" we mean reading a book in the light of other books.

“外阅读”是根据其他书籍来阅读一本书。

So far we have intentionally avoided mentioning any extrinsic aids to reading.

到目前为止，我们有意避免提及任何外的阅读辅助手段。

This fact is relevant to the rules for using a dictionary well, as an extrinsic aid to reading.

这一事实与良好使用词典（作为阅读的外辅助手段）的规则有关。