拓展署，也被称为测试驱动开发，是一个非常简单的概念。
TDD, also known as Test-Driven Development, is a very simple concept.
矿藏管理署的负责人已于5月27日辞职。但奥巴马的反对者提出，他在整顿矿藏管理署之前就已经支持了进一步拓展海上石油开采。
The head of the MMS resigned on May 27th; but, as Mr Obama's critics rightly point out, he backed expanded offshore drilling before fixing the tarnished regulator.
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