It is not controversial to say that an unhealthy diet causes bad health.

毋庸置疑，饮食不健康对身体不好。

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The Civil War was, and remains today, one of the most controversial episodes in the history of this country. Historians continue to argue about its causes and significance.

内战至今仍是英国最受争议历史章节之一史家持续争论其源起和意义。历史的修编(从历史解释时代变化)依然精彩纷呈引人入胜。

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These modern theories have revived interest in the controversial subject concerning the nature and causes of business cycles.

这些现代理论重新引起了对商业周期的性质和成因这一有争议题目的兴趣。

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He has repeatedly brought up controversial causes, such as his desire for tightening of the censorship of history textbooks.

WSJ: Abe Aides' War Shrine Visit Sparks Backlash

The extent of any global warming and its causes and effects remains highly controversial and ultimately should not be decided by unelected federal judges.

FORBES: DOJ To SCOTUS: Climate Change Is A Political Issue

The causes of this growth remain controversial.

ECONOMIST: Poverty