sentence——
1、payment is to be effected （made） before the end of this month.
这个月末以前应该付款。
2、it's convenient to make payment in pound sterling.
用英镑付款较方便。
3、now， as regards payment， we've agreed to use u.s. dollar， am i right？
至于付款，我们已同意用美圆，对吗？
4、we may have some difficulties making payment in japanese yen.
用日圆付款可能会有困难。
5、i've never made payment in renminbi before.
我从未用过人民币付款。
6、we can't accept payment on deferred terms.
我们不能接受延期付款。
7、what's your reason for the refusal of payment？
你们拒付的理由是什么？
8、collection is not paid.
托收款未得照付。
9、we don't think you'll refuse to pay.
我们相信你们不会拒付。
10、only one refusal of payment is acceptable to the bank.
银行只接受一次拒付。
11、you ought to pay us the bank interest once payment is wrongly refused.
如果拒付错了，你们应该偿付我方的银行利息。
12、we'll not pay until shipping documents for the goods have reached us.
见不到货物装船单据，我们不付款。
13、we're worrying that a decline in prices might lead to refusal of payment.
我们担心市场价格下跌会引起拒付。
14、of course payment might be refused if anything goes wrong with the documents.
如果单据有问题，当然可以提出拒付。
15、the equipment will be paid in installments with the commodities produced by our factory.
设备以我们工厂生产的产品分期偿还。
words and phrases——
payment 支付，付款
to pay 付款，支付，偿还
dishonour 拒付
deferred payment 延期付款
progressive payment 分期付款
payment on terms 定期付款
payment agreement 支付协定
pay order 支付凭证
payment order 付款通知
payment by banker 银行支付
payment by remittance 汇拨支付
payment in part 部分付款
payment in full 全部付讫
clean payment 单纯支付
simple payment 单纯支付
payment by installment 分期付款
payment respite 延期付款
payment at maturity 到期付款
payment in advance 预付（货款）
cash with order （c.w.o） 随订单付现
cash on delivery （c.o.d） 交货付现
cash against documents （c.a.d） 凭单付现
pay on delivery （p.o.d） 货到付款
payment in kind 实物支付
payment for （in） cash 现金支付，付现
pay……co. only 仅付……公司
pay……co. not negotiable 付……公司，不准疏通
pay……co. or order （pay to the order of……co.） 付……公司或其指定人
refusal 拒绝
the refusal of payment 拒付
the bank interest 银行利息
decline 下降，下跌
something goes wrong 某事上出问题，出现差错