If you combine all three — the enumerator, comparator, and filter — you can search for specific records and return them in sorted order.
如果将这三者——枚举器、比较器和过滤器——结合在一起,您将可以查找特定的记录,并按顺序返回结果。
They have a specific, structured interface, and return structured responses.
它们都有特定的结构化接口,并且返回结构化的响应。
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