百分之五十用英語怎麼說:50%用英語怎麼寫[朗讀]

九折tenpercentoff八五折fifteenpercentoff八折twentypercentoff七五折twenty-fivepercentoff七折thirtypercentoff六五折thirty-fivepercentoff六折fortypercentoff五五折forty-fivepercentoff五折fiftypercentoff;halfdiscount四五折fifty-fivepercentoff四折sixtypercentoff。