单项选择题
（）means to provide facility for customer’s need or inquiry and arrange it.
A.service B.business C.customer service D.making money
单项选择题 Saving or reducing expenditure in business is（）
单项选择题 （）is guaranteed by the full market supply and just-in-time logistics.
单项选择题 （）has 3 specific points: fixed port, fixed line and announcing shipping time in advance.
