“我们的工程师们已经反复多次测试过这支广告，去除了所有的程序错误，我们可以骄傲地对这支广告的软件质量打保票，”麦臣女士发誓说。

"Our engineers have repeatedly tested this commercial to work out all the bugs, and we proudly stand behind this advertisement," Machen said.

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质量工程师测试并考察开发（Dev）活动是否合格。

Quality engineers test and qualify development (Dev) activities.

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到目前为止，最大的挑战在于测试工程师是外部资源，产品团队不能在他们身上压太大的赌注，他们必须确保产品的质量合乎预期。

By far the biggest is that testers are an external resource. Product teams can't place too big a bet on them and must keep their quality house in order.

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