无论是划船还是白宫的正式晚宴，爱因斯坦都是光脚穿鞋子。

Whether it was while out sailing or to a formal dinner at the White House, Einstein went without socks everywhere.

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他和同事们调查了200位穿鞋和光脚的长跑者，这些长跑者来自美国和以非凡毅力著称的肯尼亚裂谷省。

He and colleagues looked at more than 200 shod and unshod runners in the United States and the Rift Valley Province of Kenya, which is known for its great endurance runners.

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现在，光脚出门给人们留下一种不好的印象，而穿鞋则变成了一种必须。

Now, it is compulsory to wear shoes when outdoors as barefoot gives a negative impression.

youdao

现在，光脚出门给人们留下一种不好的印象，而穿鞋则变成了一种必须。

Now, it is compulsory to wear shoes when outdoors as barefoot gives a negative impression.

youdao