对不起，我那时正和朋友在河边散步。
一次，庄子和他的朋友在河边散步。
Once, Zhuang Zi and his friend were taking a walk along the river.
一天，他在河边散步时，他看到了一位老妇人。
One day when he was walking by the river, he saw an old woman.
一天，他在河边散步时，他看到了一位老妇人。
One day when he was walking by the river, he saw an old woman.
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