So what I'm saying now is it took a long time for this to solidify. And one of the things we think made it solidify was the development of codices,a codex.

所以这花了很长一段时间,才得以统一，我们觉得,使它统一的是抄本的出现。

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"I've been in this job for a long time, so the things that look like defensive wounds turn out not to be, " said Richardson, who has worked in law enforcement and as a paramedic for more than 25 years.

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No one knows what to expect or when, so Americans are buying things they know will last a long time.

CNN: Wary Americans stock up on supplies

In fact, these things are so comfortable that you could wear them for long, long periods of time and we'd wager you remain comfortable, without any ear fatigue.

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