asap=as soon as possible 尽快
L/C=letter of credit 信用证
GSP=generalized system of preferences,也称FORM A 普惠制原产地证明书
T/T=telegraphic transfer 电汇
M/T=mail transfer信汇=letter of transfer
D/D=demand draft票汇=bill of remittance
D/P=document against payment 付款交单
D/A=documentary against acceptance 承兑交单
FYI=for your information 供参考
ICC=intertional chamber of commerce国际商会
IMF=Intertional monetary Fund 国际货币基金组织
OPEC=Organization of Petroleum Exporting Countries石油输出国组织