The query functionality is a valid convenience feature of the product, but it is not backed by all the sophisticated query optimizers found in top-end databases.

查询功能是产品的一个便捷特性，但它不受高端数据库中所有高级查询优化器的支持。

youdao

For example, what if the product is not found?

比如，如果这个产品没有找到该怎么办呢？

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Reporters found that mostly no brand, no input brand of home textile products, product design and content is not high, consumer loyalty is not high.

记者发现，大多家纺产品没有品牌、没有投入品牌，产品设计含量不高，消费者忠诚度也不高。

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This provides superior performance and the Future Sonics audio signature not found in any other product line, or at any price.

ENGADGET: Future Sonics debuts Atrio Special Edition professional earphones

Empirically the way you get a product visionary as CEO is for him to found the company and not get fired.

FORBES: Paul Graham Is Right. Everyone Should Stop Caring About Apple

It has also disallowed ordering multiple units of a product (although certain projects have found ways around that) and that restriction may not make sense in some cases such as, say, a pair of video chat cameras.

ENGADGET: Switched On: Higher stakes, higher ground for crowdfunding, part 1