出口退税制度的英文：
the system of refunding taxes on exported goods

system是什么意思：
n. 体系，系统；设备；制度；方法；身体；次序

Is the system unstable?
是系统不稳定吗？

It was not a perfect system.
它不是一个完美的系统。

This is a sexpartite system.
这是一个由六部分组成的系统。

refunding是什么意思：
n. 归还，偿还额，退款
v. 归还，退还；退款，偿付

Refunds We regret we are unable to unthorise refunds without a receipt.
退款请凭发票办理退款手续。

You may exchange the shirt but not return it for a refund.
你可调换这件衬衫，但不能退货。

Guarantee change of article or refund if unsatisfactory.
包退包换。

taxes是什么意思：
n. 税金；重负
v. 向…课税；使负重担；谴责

For information on taxes and filing, talk with a professional tax preparer or tax attorney.
想了解有关税收申报方面的信息,可与税务专家或者是税务律师联系。

Tax cheats have declined.
偷税逃税事件已有所减少。

They hoped for a modification of English taxes.
他们希望英国能减轻税收。