According to one classic theory, the reason is simply that there is more habitable space around the equator than at the poles. On the face of it, this seems to make sense.

据常规判断，赤道地带比两极有更多的栖息地，表面上看这个原因很是合理。

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However, in a city in China has not yet fully implemented in the real sense of the urban marketing, marketing theory sector on the city has not yet concern.

然而在我国至今没有一个城市完全采用了真正意义上的城市营销，理论界对城市营销也尚未关注。

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Based on the psychoacoustic theory and experiments this paper presents an auditory sense model which simulates the characteristics of human sense of hearing speech loudness.

本文提出了一个基于心理声学理论和实验的听觉感知模型，它模拟了人对声音响度的听觉感知特征。

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Well, despite the fact that the link between work, women and divorce rates is complex and controversial, much of the reasoning is based on a lot of economic theory and a bit of common sense.

FORBES: Careers And Marriage

Most studies instead point to the importance of more general traits, like autonomy or a sense of competence (see, for example, the voluminous research literature on Self-Determination Theory for more on such findings).

CNN: Why 'follow your passion' is bad advice

In theory, a focus on low volatility makes little sense for a pension fund or college endowment which has the luxury of taking the longer-term view.

ECONOMIST: Smooth returns can be a sign of danger for investors