How to model a data warehouse is probably one of the most controversial issues in the business intelligence field, and this article does not enter that discussion.

如何进行数据仓库的建模可能是商业智能领域中最有争议的问题之一，而本文不会进行这方面的讨论。

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Mercy killing is one of the most controversial issues in the world of medicine.

安乐死是医学界最有争议的问题之一。

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And many are now questioning how severely these payoffs are influencing the media's handling of important and controversial issues.

很多人都开始质疑这种行为严重影响了媒体对重大且具争议事件的处理。

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Returning to a couple of the controversial issues in the spending review, that levy on larger retailers (the big supermarkets) selling both alcohol and tobacco may bring criticism from business, but it may have two side-effects the government may welcome.

BBC: Business takes a tax hit

Clearly, the brutal financial damage that swept the financial community due to unregulated, little-understood derivative contracts like credit default swaps is one of the most controversial issues of the financial meltdown.

FORBES: Commentary

And in doing so, the paper is colliding with some of the most controversial issues in education today.

NPR: 'L.A. Times' Series Examines Teacher Ratings