返程效应_有道手机词典

1.那么，产生“返程效应”的原因是什么呢？
What causes this so-called "return trip effect"?
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2.有研究显示，出行和返回时采取不同的路线时还是会有“返程效应”。
According to a study, the return trip effect is seen even when people take different routes on the outward and return trips.
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