如果有关法律的研究正在逐渐成为普通教育不可缺少的学科之一的话，那么它的目的和方法应该能直接吸引新闻学教育家的眼球。

If the study of law is beginning to establish itself as part and parcel of a general education, its aims and methods should appeal directly to journalism educators.

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很多的研究都支持，恰当的饮食和适当的锻炼在短期内能达到减肥目的，但有证据表明，要达到长期目的，唯一的方法是做减肥手术。

Plenty of studies support various diets and exercise regimens in the short term, but there's evidence that nothing except bariatric surgery works in the long run.

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引言部分介绍了论文研究的背景和意义、方法、目的和内容。

The introduction part describes the background, significance, methods, purpose and contents of the research.

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