Steinberg and Gardner randomly assigned some participants to play alone or with two same-age peers looking on.

斯坦伯格和加德纳随机分配了一些参与者，让他们单独玩或者让两个同龄的同伴看着他们玩。

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I began to worry about her, as at that time a park full of strangers was not a good place for small kids to play alone.

我开始担心她，因为当时公园里满是陌生人，小孩子一个人玩耍并不安全。

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Sometimes, I saw her play alone. She would practice dribbling and shooting over and over again, until dark.

有时候我看到她一个人在打球，一遍又一遍地练习运球和投篮，直到天黑。

youdao

Sometimes, I saw her play alone. She would practice dribbling and shooting over and over again, until dark.

有时候我看到她一个人在打球，一遍又一遍地练习运球和投篮，直到天黑。

youdao