post-date

基本解释

There you can borrow money in small amounts, generally not much more than $500, against your post-dated pay-cheque.
那里你可以借到不超过500美元的小额贷款，用来支付延期兑付支票。
In the boom in Kuwait between 1977 and 1982, people started to use post-dated cheques to pay for shares and property.
1977到82年间科威特信用繁荣，远期支票开始应用于股份和财产支付。
The funding crisis in public-sector pensions is, in large part, the result of post-dated cheques written by politicians in the past.
在很大程度上，公共部门养老金资金危机的罪魁祸首是往日政客们开出的远期支票。

If so, why was the letter post-dated?
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On a postdated cheque, the date is a later one than the date when the cheque was actually written. You write a postdated check to allow a period of time before the money is taken from your account.