Some people experience multiple episodes within a single week, or even within a single day.

一些患者在一周内或者甚至在一天里会经历多个周期。

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In 15 of 22 patients (71%) with multiple episodes of PAF, ectopic beats that initiated PAF were consistently monomorphic.

在22例(71%)反复PAF发作的病人中，有15例病人是由同一形态的房性早搏触发。

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Some people may experience only a single episode within their lifetime, but more often a person may have multiple episodes.

重度抑郁发作可能在个体一生中仅出现一次，但是更多的情况是重度抑郁在一生中反复发作。

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If you want to see what happens to a society that goes through multiple episodes of currency chaos, look to Latin America.

FORBES: Ask Greek Citizens About Soft (Drachma) Money, And If They Like It

Those form a growing part of the market, and it's particularly tricky for the Blockbuster's business model to compete with multiple episodes and box sets, particularly when its offer either requires a trip to the shops or a wait for the post.

BBC: Blockbusted

But Mayor Mike McGinn said there have been "multiple tragic episodes of gun violence" around the city in recent weeks.

CNN: Seattle shootings suspect shoots himself, police say