Geography is the study of relations between society and the natural environment.

地理学是一门研究社会与自然环境关系的学科。

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Since the middle of 1980s, foreign researchers initiated the study of relations between native language reading ability and foreign language reading ability.

到了二十世纪八十年代中期，国外研究者首先着手对母语阅读技能和外语阅读技能之间的关系进行了研究。

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It is a study of how easily American race relations can still degenerate into violence.

ECONOMIST: Trouble in paradise | The

It has been downhill from there in what has become a classic case study of how to screw up a public relations challenge.

FORBES: Not Your Father's NRA Goes After Obama Children In Disturbing Television Ad

Ingrid Mattson is director of the Macdonald Center for the Study of Islamic Studies and Christian-Muslim Relations at the Hartford Seminary in Connecticut .

CENTERFORSECURITYPOLICY: The Democrats' 'soft' jihadist