They asked students to imagine they were running a five-kilometre race against 50 people and then against 500 (or, in half of the cases, the other way round).

他们做了另一个实验。研究者先让被试想象他们正与另外50人一起参加5千米赛跑，然后想象与500人一起参加(让另一半被试逆向情景想象)。

youdao

To date, India, with one of the largest railway networks in the world, doesn't have a single kilometre of railway that can be called high-speed, dedicated to trains running at 200 km or more an hour.

到目前为止，拥有世界最大铁路网之一的印度没有一公里能跑200公里以上时速的高铁。

youdao

They asked students to imagine they were running a five-kilometre race against 50 people and then against 500 (or, in half of the cases, the other way round).

ECONOMIST: The fewer the competitors, the harder they try