第二，價格兩間都是以批發為主的文具店，所以都採用以量制價，採用提高銷售

第二，價格兩間都是以批發為主的文具店，所以都採用以量制價，採用提高銷售量的方式給消費者優惠的價格

結果 (英文) 1:

Second, the price of
two are at the wholesale stationery shop, so are used to the amount of system price, the way to increase sales using prices to consumers

結果 (英文) 2:

Second, price
Both are wholesale-based stationery stores, so both use the measured price, the use of increased sales to consumers preferential prices

結果 (英文) 3:

Second, price
Both of them are wholesale oriented stationery stores, so they both adopt the measure based price system and increase the sales volume to give consumers preferential prices