You inform the teacher not to take the lesson before the tuition

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You inform the teacher not to take the lesson before the tuition, but there is no acceptable reason.
But the teacher reserved time for you, and if you don't make it up, of course the money won't be given to the teacher, and you won't make it back for this class.
This is an opportunity to exploit the teacher to earn money. The teacher can't give you any punishment at that time, but will the teacher teach you attentively?
／05 2022