因為我不知道從上次你們繳費結算日期到1/08的水、電、瓦斯使用了多少，

因為我不知道從上次你們繳費結算日期到1/08的水、電、瓦斯使用了多少，還是要到1/08那天我們去水、電、瓦斯公司結算完才會知道正確的金額

結果 (英文) 1:

Because I do not know the last time you use the payment from the settlement date to 1/08 of water, electricity, gas and how much we still have to go to the 1/08 day of water, electricity and gas company completed settlement will know the correct amount

結果 (英文) 2:

Because I don't know how much water, electricity and gas were used from the last time you paid the settlement date to 1/08, or we'll know the correct amount until 1/08 that day.

結果 (英文) 3:

Because I don't know how much water, electricity and gas are used from the last payment settlement date to 1 / 08, or we will not know the correct amount until we go to the water, electricity and gas companies to settle accounts on 1 / 08