The meal plan is 20 dollars each for five breakfasts and four suppers.
伙食收费方式是每人20美元，吃五顿早餐和四顿晚餐。
Betty: OK. The RS-5 is forty-five U. S. dollars each for quantities up to five hundred.
贝蒂：好的。如果数量达到五百片，RS-5是每片四十五美元。
Betty: OK. The RS-5 is forty-five U. S. dollars each for quantities up to five hundred.
贝蒂：好的。如果数量达到五百片，RS-5是每片四十五美元。
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