翻译 Why It Costs Twice as Much to Fly Half as Far

问题描述:

翻译 Why It Costs Twice as Much to Fly Half as Far
1个回答 分类:英语 2014-12-05

问题解答:

我来补答
为什么花了两倍的价钱却只飞了一半的距离
 
 
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