2018年商務(wù)英語考試高級(jí)寫作詞匯及例句：XYZ

　　Y

　　yield [ ji:ld ] (n.) usable output from a process產(chǎn)量，收益

　　[例] There has been a considerable increase in the yield of the mines

　　Z

　　zero defect (n.) manufactured product which meets the specified quality standard無事故, 無疵殘

　　[例] They improved the technique and got zero defect this year.

　　zero inventory (n.) management philosophy and practice based on no waste and constant improvement of productivity零庫存

　　[例] The leaders should instill zero inventory into their employees regularly