[单项选择题] One of the very important documents in the foreign trade business is BL. B/L is the abbreviation for ______.
A.Bill of Lading
B.Commercial Invoice
C.Buying Contract
D.Letter of Credit
正确答案:C

[单项选择题] One of the very important documents in the foreign trade business is BL. B/L is the abbreviation for ______.
A.Bill of Lading
B.Commercial Invoice
C.Buying Contract
D.Letter of Credit
正确答案:C