At present, the ancient theory on "useful";

善于以古论今，着眼于“有用于今”；

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And in particular observation of Venus, the phases of Venus simply contradicted the ancient theory of how these things worked.

基于对金星的特殊观察，其消长盈亏现象，就轻易地驳斥了古代关于物质运动的理论。

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Issues on modern transition of China ancient theory of literature have always been the studying focus of theory of literature academic field.

“中国古代文论的现代转换”问题一直是文论界关注的话题。

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But Klawans also asserts, and I quote, that "Imitatio dei does not exhaustively explain sacrifice in ancient Israel," and in fact, we should be surprised if any one single theory would indeed explain sacrifice.

但是克洛文同时也宣称，“模仿并不能完全地解释股以色列的献祭，“,事实上，如果有某个独立的理论真的解释了献祭,我们会十分惊讶。

耶鲁公开课 - 旧约导论课程节选

In many ways Aristotle there offers, as does Plato, a certain kind of critique of the modern or even the ancient democratic theory of freedom, which is living as one likes.

亚里士多德在很多方面所提出的和柏拉图相似，都是一种对现代,或甚至古代自由民主理论的评判，也就是过一个人想过的生活。

耶鲁公开课 - 政治哲学导论课程节选

Well, for the answer to that we have to go back to ancient Greek music theory, and when you read about this--it's really turgid stuff-- but believe it or not, I teach a course on this at the graduate level.

这个,要回答那个问题,恐怕要追溯到古希腊的音乐理论,每次读这些都会云山雾罩的,不管你信不信,我曾在研究生中开过这个课程

耶鲁公开课 - 聆听音乐课程节选

Since Brooks apparently finds thumos so utterly indispensable, one might think he would scour the literature seeking to offer an up-to-date, scientifically-credible version of this illuminating morsel of ancient Greek psychological theory.

FORBES: The Social Animal by David Brooks: A Scornful Review

Acupuncture: An ancient Chinese art based on the theory that Qi energy flows along meridians in the body, and can be stimulated by inserting fine needles at specific points.

BBC: NEWS | Health | Medical notes | Complementary medicines: A guide

Dubs's theory rests mainly on tantalising hints found in ancient Chinese historiography, none of which refers specifically to Romans.

ECONOMIST: So it's said, anyway