which represents 52 weeks per year less 6 vacation weeks 假设每堂课收$100, 你是一年交$4600 还是$5200?
可你写的是Tuition is based on 46 lessons per year, which represents 5
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which represents 52 weeks per year less 6 vacation weeks 假设每堂课收$100, 你是一年交$4600 还是$5200?