adj.等外的；质差的
Please contact Kumara to work on your future requirements of any prime grade, off grade, plant scrap, wide-spec resins or rubbers. 请与我们联络并告知您的需求，让我们能正确有效的提供各种正牌、副牌、胶头或废料等原料给贵公司。
Please contact Kumara to work on your future requirements of any prime grade, off grade, plant scrap, wide-spec resins or rubbers. We are looking forward to hearing from you soon. 请与我们联络并告知您的需求，让我们能正确有效的提供各种正牌、副牌、胶头或废料等原料给贵公司。诚挚期待与您合作的机会。
He bit off a large piece of the apple. 他咬下一大块苹果。
He is a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
The front cover of the novel has been torn off. 这本小说的封面已被撕掉。
