买单的英文：
pay the bill
Check,please
foot the bill

参考例句：

Her "cash for grass" was a gentler incentive toward xeriscaping instead of green lawns.
她的“为水买单”政策以期用温和的政策使人们逐渐从浇灌大量草坪改为种植旱生植物。

Waiter, I'll take the check.
服务员，买单。

It's on me. How much is it in all?
我买单。总共多少钱？

To order(goods)by purchase order or official requisition.
定货用官方订货单或购买单订(货)

So you pay for three things in network access: bandwidth, latency, and jitter.
所以网络接入中你在为三件事买单：带宽、延迟和抖动。

It's kind of a turn off when you go on a date with a girl and you got crocodile arms all night.
你跟一个女孩约会，却整晚磨磨唧唧不说买单，这意思差不多就是不想跟人家谈了。

pay是什么意思：
n. 工资，薪金；报偿；惩罚
v. 付钱给；偿还；给予（注意等）；致以（问候等）；报偿；付款；值得

You have to pay storage.
你须缴纳保管费。

Unless paying by credit card, please pay in cash.
请付现金，除非使用信用卡。

wage [ pay ] scale
工资等级

bill是什么意思：
n. 帐单；广告；法案；钞票；清单
v. 宣布；用海报宣传；开账单

bill of indictment
刑事起诉书

The bill was negatived.
这议案遭到了否决。

It does not operate as a negotiation of the bill.
它不能作为汇票流通转让。

check是什么意思：
n. 检验，核对；阻止，抑制；支票
v. 检查，核对；阻止，抑制；寄存；打钩；将一军

It is a paid check.
那是一张已兑现的支票。

There,you're in check.
看，将你一军。

Will you take a check?
你要再核对一下吗？