求翻译：非常抱歉，我的理解上有误，我们在4月14日出货给贵司的PCB实际付款日期应该是7月14日，而今天已经7月31日了，请帮忙尽快确认下是什么意思？

Sorry, wrong on my understanding, we are shipping to your company's the pcb actual payment date should be July 14 on April 14, today July 31 a, please help as soon as possible to confirm

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Was sorry extremely that, my understanding contains errors, our produce goods in April 14 for the expensive department's PCB actual date of payment should be on July 14, but already on July 31, please have helped under today as soon as possible confirmation

We're sorry, but my understanding is incorrect, on April 14, we shipped to your PCB actual payment date should be July 14, today is July 31, please help as soon as possible, make sure

正在翻译，请等待...