LessonThreeⅠ.词汇:suppose,irrevocable,credit,payable,document,ensure,partner,reluctant,approve,license,persify,mode,circumstance,choice,negotiate,confirm,purchase,enterprise,default,manufacture,involve,satisfactory,trial,alternative,installⅠ.短语:1.anirrevocableletterofcredit不可撤消的信用证2.bepayableagainststh凭据…来付款(兑现)3.getpaidintime及时得到支付4.bereluctanttodosth不愿意做某事5.beinapositiontodosth有能力做某事6.modeofpayment支付方式
