Getting children to play together cooperatively depends less on their personal social skills and more on what they are doing – especially if they are not friends – a study shows.

· · 来源：seed资讯

In 2020 seven nations signed the agreement to establish principles on how countries should co-operate on the Moon's surface.

A global craze for Korean culture is making its humblest snacks unaffordable

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Мерц резко сменил риторику во время встречи в Китае09:25

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第四节 妨害社会管理的行为和处罚

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