It was a great round shield about three feet across and it had--let me step out here so that I can show you. Can you hear me back there?

它是一块直径大概有三英尺的巨大圆盾,恩,它还有...我出来演示吧,这样你们就能看清楚,能听到我说话吗

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So, anyway, that writing--let me back up a step.

好吧,那些文字...我们先从早的开始说

耶鲁公开课 - 古希腊历史简介课程节选

Let me step back and take a deep breath.

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Let me step back and talk about what I think our mission has to be in the Middle East and even more broadly -- because our purpose is to make sure the world is more -- is peaceful.

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Let me step back and explain.

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