英语翻译hello friend ,thank you so much for your support the tot

英语翻译hello friend ,thank you so much for your support the total price of your order had been miscalculated by ABC ,as a result ,we had lost a lot of money ,would you please pay us more 20usd to cover our cost .as you see they (mocrophone) are very heavy ,so the shipping cost is very high .thank you so much for your understanding and help .请大虾们出手相助,我会把我所有的积分追加给你,