Design specifications that gather dust on a shelf are of no use to anyone: a design must get built to be of value.

有实效的交互设计书架上封尘的设计说明书没有任何用处，设计只有问世才具有价值。

youdao

The monograph specifications of identity, strength, quality, and purity apply throughout the shelf life of the product.

在有效期内，产品须符合各论中有关鉴别、效价、质量和纯度的规定。

youdao

So, aided by some competitive pricing and top-shelf specifications, the G Pro reads on paper like a boss.

ENGADGET

Manufacturers prefer to have them designed to their specifications than to buy them off the shelf.

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