可靠性是本文的重点问题之一，直接决定了产品的实用性。

Reliability is an important issue of this paper, it directly determines the practicality in the harsh environment.

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文章总结矫形器产品质量，指出矫形器产品的实用性及矫形器产品的情感美学要求。

This article is aimed to point out the practicability and affective & aesthetic requirements of the orthosis product besides summarizing for orthosis qualify.

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M：那我希望知道知道你们产品的实用性以及销售模式，如付款方式、运输、折扣等等。

M: Then I'd like to know your availability of the products and the terms of sales, such as mode of payment, delivery, discounts, etc.

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