One way is to have a thorough set of unit tests for the code: the code should pass the tests both before and after refactoring.

第一种方法是对代码进行一套完全彻底的单元测试：在重构之前和之后都必须通过这样的测试。

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Even if it was just a novel way to pass the time as the washing machine ran through it's yle, Mr Lee's idea would be a worthy one.

虽然这只是在洗衣机工作时用来打发时间的一种新颖的方式，李威晨的这一创意仍然是有价值的。

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Listing 16 shows one way you might pass a directory listing through xargs to a command such as grep.

清单16显示了一种通过xargs将目录清单传递到命令(比如grep)的方法。

youdao

Frankly, I would argue that probably 80%, 90% of the users of Boston Subway just want to buy one damn ticket to get on the subway and yet where is the button that says one-way pass?

坦白讲，我想提出，可能80%，90%的波士顿地铁用户,只想买一张TM的地铁票,来乘坐地铁，但是哪里有一个按钮,指明：“一路通“？

哈佛公开课 - 计算机科学课程节选

Taking care of his modest Spanish-style bungalow is one way for him to pass the time.

NEWYORKER: This Woman��s Work

The key is for them to play nice with each other, and the answer isn't a one-way interface like IR, or an HDMI pass-through with multiple user interfaces layered on top of each other.

ENGADGET: Editorial: What's wrong with TV, and what it might take to change it

The contest was as one-sided as the scoreline suggests and Bristol were never in contention after Aguero forced his way over following a pass from Jackson.

BBC: Saracens 37-13 Bristol