off-specification product的用法和樣例：
例句
- With the high quality and excellent service of its products as well as the guarantee of exchanging any unqualified product, Xin Li has built good reputation among customers.
從嚴生產(chǎn)，從優(yōu)服務(wù)，嚴格做到不合格產(chǎn)品不發(fā)運，不合格產(chǎn)品包退換的服務(wù)準則，由此樹(shù)立了品牌的良好聲譽(yù)。
