问题描述：
请翻译一句话关于经济学的
Elasticity is the ratio of two percentage changes.So when we divide one percentage change by another, the 100s cancel.
the 100s cancel是什么意思呀
Elasticity is the ratio of two percentage changes.So when we divide one percentage change by another, the 100s cancel.
the 100s cancel是什么意思呀
问题解答：
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