BB agrees to reimburse the cost and expenses of advertisement spent by AA to promote sales of the Product.
BB同意，AA为了促进产品的销售而支出的广告费用由BB公司报销。
And the question of sales volume of the products under the upward situation day by day of product cost;
以及产品价格日趋上涨的情况下产品销量问题；
And the question of sales volume of the products under the upward situation day by day of product cost;
以及产品价格日趋上涨的情况下产品销量问题；
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