Sleeping in the building of …, I didn't know if I was able to play the Three Kingdoms in my dream. I was always awakened up by their generator cars; this made me unnecessarily use alarm clock.

睡在魏蜀吴的楼上，不知道梦里能不能演绎三国，总是能被他们组的发电车叫醒，不过也好，省的闹钟了。

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"We didn't want to alarm people unnecessarily and we certainly didn't want to contact 6, 200 people in this particular case, " Mr Smit said.

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In a statement the American Chemistry Council also expressed its concerns, saying that the authors could be "over-interpreting their results and unnecessarily alarm workers".

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