We are still in the exploratory stages of this project, although what's noteworthy is that East Asians on average sleep about an hour and a half less each night than North Americans do.

我们仍然在这个项目的探索阶段，尽管值得注意的是，东亚人平均每晚比北美人少睡一个半小时。

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We choose this hotel because the price for a night here is down to $20, half of what it used to charge.

我们选择这家酒店是因为这里一晚的价格已经降到了20美元，是以前价格的一半。

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On a recent Saturday night, half of the dancers twirling to the latest salsa hits were from Switzerland.

在最近的一个周六晚上，有一半的人跳的最新的萨尔萨舞步是由瑞士传来的。

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Casting around for a dissertation topic, the student, Eugene Aserinsky, decided to hook sleepers up to an early version of an electroencephalogram machine, which scribbled across half a mile of paper each night.

NEWYORKER: Up All Night

Astronaut Dave Wolf, who has been away from the planet for the past four and a half months, is looking forward to a Saturday night dinner of pizza, a beverage (known to be cold beer) and some time with his girlfriend.

CNN: The View from Space

"There were only two instances when a private hire company was used to drive Mr Rhodes to an evening meeting or speaking engagement and these both resulted in a travel time of between one and half hours and two hours late at night, " a spokeswoman said.

BBC: Cumbria Police staff arrested over PCC driver 'leak'