Although origin in ritual has long been the most popular, it is by no means the only theory about how the theater came into being.

尽管戏剧起源于宗教仪式的说法目前是最被大众认可的，但这并非戏剧起源的唯一定论。

youdao

It is difficult to see how the theory applies to the plate between the Mid-Atlantic Ridge and the ridge in the Indian Ocean.

很难看出这个理论如何适用于大西洋中脊和印度洋脊之间的板块。

youdao

Such an “internal devaluation” is possible in theory, but it is unusual (and painful) in practice.

这样的“内部贬值”在理论上是可行的，但在实际中并不常见（并且是痛苦的）。

youdao

This diagram is, I think, the most famous diagram in all of financial theory and it's actually the first theoretical diagram.

我认为这张图表，是金融学理论中最有名的一幅图了,也是第一幅理论图形。

耶鲁公开课 - 金融市场课程节选

A different way of putting it-- and none of this is going to come in with a sharp, decisive theory.

从另一个角度来看-,注意，我现在讲的内容,目前都没有一个明确的理论。

耶鲁公开课 - 心理学导论课程节选

Theory is important and it's important to know what you believe," in other words, what the basis of all other possible theory is.

理论很重要，了解自己相信什么也很重要“,也就是说，其它可能理论的基础是。

耶鲁公开课 - 文学理论导论课程节选

It sounds simple, and in theory it is.

FORBES: Trick Of The Light

Another former U.K. rate-setter and arch-dove, David Blanchflower, has pointed out that even if nominal-GDP targeting was a good idea in theory, it is a bad idea in practice because nominal GDP is hard to measure and prone to large revisions.

WSJ: Some of the Carney Gloss Is Coming Off

They may work in theory, but it is hard to tell if that will be good enough for markets, which want solutions quickly.

FORBES: Euro Leaders Face Important Decision On Function Of EFSF