We usually deal on a 20% trade discount basis with an additional quantity discount for orders over 1000 units.
我們通常給予20%的商業折扣，外加訂貨1000件以上的數量折扣。
商務英語 900 句
第 73 部分
?? 句中詞匯解析
從本句中提取的重要詞匯
adv. 通常，經常，平常，慣常地;一直，向來;動不動，一般;素;
?? usual通常的+ly副詞后綴→通常地，慣常地
"The discovery of distillation is usually accredited to the Arabs of the 11th century."
通常認為，蒸餾法是阿拉伯人在11世紀發明的。
近義：invariably, mostly, normally, oft, often, oftentimes
反義：infrequently, occasionally, seldom, sometimes
vt. 打折扣，減價出售;減息貸款;削價出售，打折;減價，減量;
vi. 折扣;貼現率;貼現;
n. 貼現;數目;（任何面值上的）扣除額;（考慮到故事、報告、報道等的夸張或偏見等）不全信;
?? dis 取消+ count數量 → 取消一些金錢的花費\r\n → (價格、債款等)折扣
"Honesty seems to be rather at a discount today."
如今誠實似乎很吃不開.
近義：waive, chuck, discard, discharge, dismiss, ditch
反義：hike, improvement, increment, intensification, interest, lift
adj. 額外的，附加的;另外的，追加的;補充;外加;
?? add增加 + ition表行為，后果 + al 具有...性質的 → a.附加的，追加的
"It is necessary to set down these additional rules."
有必要制定這些補充規則.
近義：auxiliary, secondary, side, spare, accessorial, accessory
反義：inherent, medullary, overriding, pithy, pivotal, primal
n. 量，數量;定量，大批;數目;[語音學、韻律學]音量（指元音或音節的長短）;
?? quant 多少，數量+ ity 表名詞 → n.量，數量，分量
"She was burdened with a large quantity of parcels."
她吃力地捧著一大堆包裹.
近義：magnitude, number, reckoning, value, sum, volume
vt. [牌戲]分;分配;經營;施予;
n. （一筆）交易;許多;待遇;發牌;
vi. 論述;（有效地或成功地）處理;懲處;交易;
adj. 冷杉木制的，松木制的;
"Don't worry; the deal was completely above board."
別擔心，交易是完全合法的。
近義：give, behave, act, demean, deport, negotiation
反義：object, rebut, vary, differ, disaccord, disagree