As the caption indicates, the toothbrush is not a product of good attributes, but of unsatisfactory ones.

正如标题所示，这支牙刷并不是优质产品，而是“忧”质产品。

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To control further processing, delivery or installation of nonconforming product until the deficiency or unsatisfactory condition has been corrected.

在缺陷或不满意状况被矫正前，控制不合格产品被进一步加工、交货或安装。

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The invention relates to a blocky instant colloid product and the preparation method, mainly solving the problems of long cycle of production, unsatisfactory taste and inconvenient taking.

一种块状速溶胶剂产品及制备方法，主要解决生产周期长、味道不佳、 服用不方便的问题。

youdao

With the introduction of debit cards, money could be withdrawn from personal accounts instantaneously, leaving the individual little recourse in the event that the product or service was unsatisfactory or a billing error had occurred.

FORBES: Pension Consultant Shenanigans (September 4, 2004 )