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婴儿哭闹常常是因为他们不舒服,但也有可能是由于他们想睡觉或者饿了想吃东西。这就让宝爸宝妈们头疼了,究竟该怎么区分呢?Babies can cry because they are feeling ill or are in pain,but they will also often cry if they are feeling hungry or sleepy.This can make it very difficult for parents,especially first-timers to k