So, the curious thing about recursion is that pretty much always can you implement this idea of doing the same thing again and again and again but with smaller bytes each time.

可见，递归算法中新奇的一点是,为了实现一个想法,你可以一遍又一遍地做相同的事情,但每次的规模都会有所减小。

哈佛公开课 - 计算机科学课程节选

Trying to implement a common monetary policy for the euro zone was always a tough task.

ECONOMIST: Central banks (1)

The dream of extending its advantages to the East has become a reality, if not always an easy one to implement.

FORBES: Cynics Be Gone; Europe Deserves Its Nobel Peace Prize

Of course, NCAA members could always practice fiscal restraint independently, or perhaps they could even implement a salary cap on coaches at the conference level.

FORBES: Why an NCAA Cap on College Coaches' Salaries Would Be Illegal