问题描述：
求大神帮忙翻译一段英文~~ Orz...
For those items,
a large price change in one period does not necessarily tend to be followed byanother large change in the same direction in the following period.
For those items,
a large price change in one period does not necessarily tend to be followed byanother large change in the same direction in the following period.
问题解答：
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