If you use a document type for multiple purposes, you should provide a sample for each purpose.

如果将一种文档类型用于多种目的，那么应该为每种目的提供一个样例。

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Turning to the purpose and function of the kites, they certainly had multiple uses.

说到风筝的使用目的和功能，它们当然有多种用途。

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With multiple indexes, each tuned for a specific purpose, you can choose the most appropriate index to optimize search results.

对于多个索引，每个索引都针对特定目的而定制，您可以选择最适当的索引来优化搜索结果。

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In addition, you can use multiple tools for a single purpose or multiple purposes.

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Such specialized retail credit cards differ from so-called general-purpose cards used at multiple-location stores.

WSJ: Store-Brand Credit Cards Boom

So here we have a simple idea, a minimum viable product, executed across multiple platforms, with a single purpose.

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