分期付款中 最后一笔款数特别大的分期付款中最后一笔付款到期分期付款的最后一大笔付款漂浮式付款 balloon payment
The last payment in a particularly large installment, the last payment due in an installment, the last large payment in an installment, a floating payment, or a balloon payment
以上为机器翻译结果，长、整句建议使用 人工翻译 。