Little wonder the Federal Duck Stamp Program has been called one of the most successful conservation programs ever initiated.

难怪联邦鸭票被称为有史以来最成功的自然保护计划之一。

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Your quest then would be an algorithm that can input an encoded representation of a particular stamp, and output just one base stamp pattern.

因而您寻求的将是一个算法，可以输入一个对特定邮票的编码描述，然后输出应得的一个基本邮票图案。

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One of us told her that we were stamp collectors.

其中一个朋友告诉她我们是集邮的。

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He had that stamp of having been one of the guys.

他有那些人的印记

耶鲁公开课 - 1871年后的法国课程节选

That means if a thousand people stamp one dollar a day for a year, the message would be seen more than 300 million times.

CNN: Stamp stampede on your dollar -- for democracy

As for acquisitions, the old stamp collecting, one-of-everything mentality has given way to a less-is-more approach.

ECONOMIST: From zoo cage to modern ark

It can be just one stamp or the entire series.

BBC: The extreme stamp collecting of first day covers