问题描述：
帮忙解释下tight-fit/loose-fit distinction
背景 you can categorize the relationship between objects depending on how loosely or tightly they fit together.然后 tight-fit/loose-fit distinction
背景 you can categorize the relationship between objects depending on how loosely or tightly they fit together.然后 tight-fit/loose-fit distinction
问题解答：
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