31.non-tariff barrier ( )
32.advice of shipment ( )
33.agency agreement ( )
34.Compensation trade ( )
35.immediate payment ( )
36.Payment in advance ( )
37.sale confirmation ( )
38.shipping document ( )
39.unit price ( )
40.Prevent smuggling ( )
41.D/D ( )
42.B/L( )
43.CAD ( )
44.C&F ( )
45.CIF ( )
46.D/A ( )
47.L/C ( )
48.M/T ( )
49.T/T ( )