单项选择题
What is the meaning of recycle? （）
A. Collect, treat and use again B. Movement in a cycle C. Return to original D. Return goods
单项选择题 What is the same meaning of reverse distribution? （）
单项选择题 What is the most important market-related factor to the transport cost? （）
单项选择题 What is the most important product-related factor the transport cost? （）
