但是，心理学家们一直都在研究这一类外在因素对我们决策产生影响的途径。

Psychologists, however, have long studied the ways that external factors such as these influence our decision-making.

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根据近年来国内外在该领域的研究成果，对氮损失的研究进展、损失途径以及氮损失对环境的影响进行综述。

This paper tries to summarize the results of loss accesses of nitrogen and its effects to the environment in recent decades.

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