正确答案: D

efficient

题目：What is the meaning “cost-effective”? （）

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学习资料的答案和解析：

[单选题]（）are respectively the dominant transport mode in China and in the United States.

Rail and motor

[单选题]What is the distribution processing value? （）

Changing the length, thickness and the package of the goods

[单选题]（） is not a physical wall, but a lot of virtual data to protect the computer network.

Firewall

[单选题]The area for unloading goods in warehouse is（）

receiving space

[单选题]（）is one of functions in logistics, which can deliver goods to customer directly by order in the most economic way.

Transportation

[单选题]（）is software about the relation between the customer and the supplier in marketing.

Customer Relationship Management

[单选题]What are transported mainly by water?（）

Heavy, bulky and low value commodities