We usually accept payment by irrevocable L C payable against shiping documents.
我們一般用不可撤銷信用證，憑裝運單據結匯付款方式。
商務英語
訂貨和采購
?? 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
vi. 承認;同意;承兌;
vt. 接受;承認;承擔;承兌;
?? ac一再+cept拿→接受；承認
"The evidence was so compelling that he felt constrained to accept it."
證據是那樣的令人折服，他覺得不得不接受。
近義：honor, permit, avow, receive, recognize, tolerate
反義：refuse, reject, snub, spurn, decline, disavow
n. 付款，支付;報酬，報答;償還;懲罰，報應;
?? pay 付款+ ment 表示行為、行為的過程或結果 → n.支付，支付的款項
"We are saving for a down payment on a house."
我們正攢錢支付買房的首付金。
近義：outlay, pay, paying, payoff, retribution, defrayal
反義：cashing, collection, encashment
adj. 不能取消的;不可改變的;不能挽回的;
?? ir不 + re 回 + voc喊 + able 可...的 →不可以喊回來的 → 不可改變的；不能取消的；不能挽回的
"The bank has made out an irrevocable letter of credit."
銀行開出了不可撤銷的信用證[狀].
近義：indefeasible, irreversible, unrepealable
反義：appealable, avoidable, repealable, reversible, revokable, voidable
prep. 反對;對…不利;緊靠;以防;
?? gain =against (反對)#詞根助記：反對
"Ten people voted in favour, five against and two abstained."
十人投票贊成，五人反對，兩人棄權。
近義：athwart, agin