“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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过去几周时间里，我不停地把这些观念反复想了很多次。

Over the past few weeks, I've found myself thinking of this notion again and again. He writes.

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他打开皮夹，小心翼翼地拿出两张用旧的笔记本纸，它们明显地被用绳子捆扎过，并且反复折叠了多次。

Opening the billfold, he carefully removed two worn pieces of notebook paper that had obviously been taped, folded and refolded many times.

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