以前我们认为产生这种“回程效应”的原因是我们对回程的路线更加熟悉，而科学家们却认为是因为期望的不同。

Scientists believe this "return trip effect" is not caused by being more familiar with the route on a return journey, as previously thought, but because of different expectations.

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为了研究这一名为“回程效应”的现象，科学家让20人摘下手表，观看两部影片，影片间隔十分钟。

To study the 'return trip effect', as it is called, they asked 20 men to take off their watches and view two films, ten minutes apart.

youdao

为了研究这一名为“回程效应”的现象，科学家让20人摘下手表，观看两部影片，影片间隔十分钟。

To study the 'return trip effect', as it is called, they asked 20 men to take off their watches and view two films, ten minutes apart.

youdao