对不起，我们白天要做一次帐，请您先买一下单好吗？翻译成英文

Sorry, we want to make a day, would you please buy an order?

I'm sorry, we should do a account today ,please pay the bill at first.

Excuse me, would you please bill first ? because we have to make a clearance at daytime.

Sorry, do you mind making the payment first, as we need to balance our accounts once during the day.