他的父母都是老师，他们都很忙，所以他在家经常帮忙做家务。
His parents are both teachers and they are really busy, so he often helps do the housework at home.
他的父母都是老师。
当一个人感到来自他或她的老师或父母的压力，你的微笑就像阳光破云，你的微笑可以帮助他或她意识到一切都是充满希望的，世界上还有欢乐。
When someone feels stressed from his or her teachers or parents, your smile is like the sun breaking through the clouds, and your smile can help him or her realize that all is hopeful that there is still joy in the world.
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