到今天为止，上批货款未付。怎么翻译呢？

如果你是收款方,就用:
Up to this date, the payment of last goods has not yet been received.

如果你是付款方,就用:
Up to this date, the payment of last goods has not yet been made/paid.

The last order hasn't been paid up to now.

the payment of last batch of goods haven't been made till today.