一个三岁的孩子可能需要他人帮助，才能理解其他孩子也和他一样会感到疼痛，用玩具重重地打了玩伴的头是需要道歉的。
A three-year-old might need help in understanding that other children feel pain just as he does, and that hitting a playmate over the head with a heavy toy requires an apology.
孩子们经常与其他玩伴分享玩具吗？
Do children often share the toys they have with other children?
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