单项选择题
（） is meant 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 Re-handling can save cost and improve service, Is it true or not? （）
单项选择题 Where is the rail service better than U.S? （）
