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你有没有过这样的苦恼：辛辛苦苦把宝宝带大，从怀中解放出来了，可他一与同伴玩耍，就又冒出了一大堆交际问题。宝宝的交往能力到底如何呢？
Have you ever been so distressed: hard to bring the baby with a big, liberated from his arms, but he played with his companions, they have emerged a lot of communicative problems. Baby’s ability to communicate in the end how?