在安排健康饮食方面，没有什么一定之规。
There are no hard and fast rules for planning healthy meals.
成功并无一定之规。
你可以变化万千，也可以一成不变，世间万物并无一定之规。
You can change or stay the same, there is no rules to these things.
你可以变化万千，也可以一成不变，世间万物并无一定之规。
You can change or stay the same, there is no rules to these things.
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