Without conscious intent and the synchronizing signal of short iterations it is hard to notice the difference between being on the path and off the path unless you stay on the path for a while.

如果不是有意识地打算这样做，也没有短期迭代的同步信号，那么除非你在这条路上呆了很久，否则就很难注意到是否走错了路。

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Sometimes, the braindoesn't properly signal the body to stay still during REM sleep.

有时，大脑不能恰当地示意身体在快速眼动睡眠过程中保持静止。

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Base station can still use the downlink channel to stay connected with mobile phones, or even to send incoming signal.

基站仍然可以使用下行信道与手机保持连接，甚至发送呼入信号。

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If the Fed wants to reduce the longer-term rates that really matter, it must not only get short-term rates down, as it has done, but it must also signal to the market that they will stay down.

ECONOMIST: A stimulating status quo

Our only complaint with Airport has been that, while the signal passed through plasterboard and brick--letting us stay online even while enjoying fresh air in a courtyard a floor below and 100 feet from the base station--we had an intermittent connection from the room opening out into that courtyard.

FORBES: Magazine Article

"I was hoping this could get 60 votes to send a good signal to the American public, " said Breaux, who was unclear exactly how many Democrats would stay on board.

CNN: House passes budget resolution as Democrats rail