程序写完后，您不必是唯一可以理解和维护程序的人。

You don't have to be the only one that can understand and maintain your program once it's written.

youdao

资源是应用程序中(或由应用程序)维护的实体。

Resources are the entities that are maintained in or by the application.

youdao

不过，随着程序越来越复杂，递归程序设计能够让程序员以可维护且逻辑一致的方式更好地组织代码。

But as programs become more complex, recursive programming gives the programmer a better way of organizing code in a way that is both maintainable and logically consistent.

youdao

You should acquire overtime this instinctive aversion to just code or programs that just look ugly because things that look ugly generally are not easy to maintain.

对于代码和程序你会有一种本能的讨厌,这是因为这些代码和程序看起来很丑陋,并且不容易维护。

哈佛公开课 - 计算机科学课程节选