This is why we use good design practices and automated feedback loops like unit or system tests; to keep things easy to change.

这就是为什么我们使用好的设计实践，和像单元测试与系统测试这样的自动化反馈环，都是为了让修改变得容易。

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Like unit tests, writing a suite of maintainable, automated functional tests without a testing framework is virtually impossible.

就像单元测试一样，如果没有测试框架，编写一套可维护的自动化功能测试实际上是不可能的。

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The flood of easy money disguised the hard truth that the competitiveness of the peripheral economies, gauged by measures like unit Labour costs, had steadily worsened after joining the euro.

大量容易取得的廉价资金掩盖了一个危险的事实：在加入欧元区以后，边缘经济体的竞争力——以单位劳动力成本为衡量指标——一直逐步下降。

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And as I'm going to do many times in 3.091, I'm going to start a unit like this with a history lesson.

在3。091这门课上我会重复很多次，我会像现在一样以一个历史的故事,来开始新的一单元。

麻省理工公开课 - 固态化学导论课程节选

It is not an SI unit because it is not a multiple of 10 to the 3rd, but I like the angstrom.

它不是国际制单位，因为它不是,10的3次方进制，但我还是喜欢这个单位。

麻省理工公开课 - 固态化学导论课程节选

You can pick your unit vectors, or what are called basis vectors, any way you like.

你可以任意选取单位矢量,或者也可以叫做基矢量,这都随便你

耶鲁公开课 - 基础物理课程节选

What helped meld them into a tight, family-like unit is the way all four work with contestants, Aguilera said.

CNN: 'The Voice' coaches excited for changes

Like unit trusts, investment trusts invest in securities.

ECONOMIST: The economy

Some players like the DRS Technologies unit of Italian giant Finmeccanica are extremely skilled at thermal imaging, while others like the Electronic Solutions unit of BAE Systems Inc. have unsurpassed expertise in infrared countermeasures.

FORBES: Wave Of Consolidation May Be Coming In Military Electronics