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3岁的欣欣有许多小伙伴,每天他都要下楼去和伙伴们玩。可有一个问题却让妈妈很头疼:每个小朋友下楼玩时都会带上一两件玩具,互相交换着玩。可欣欣却每次
3-year-old Shin Shin has many small partners, every day he has to go downstairs and friends to play. But there is a problem that makes her mother a headache: Each child will bring down one or two toys when playing downstairs and play with each other. But welcome every time