I twist my neck, trying to catch her expression, but I can see only half of it: flutter of eye, curve of lip, and slice of cheek.

我扭转脖子，想看看她的表情，可也只能看到一半儿：眼睛的煽动、嘴唇的弧度，面颊的一片儿。

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Half the pie is the genetic set point. The smallest slice is circumstances, which explain only about 10 percent of people's differences in happiness.

这块蛋糕的一半就是遗传设定好的那一半，而最小的那一片蛋糕表示的是环境因素，说明人们幸福感的差别有10%是由环境决定的。

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If a task did not use all of its time slice, then half of the remaining time slice was added to the new time slice to allow it to execute longer in the next epoch.

如果某个任务没有使用其所有的时间切片，那么剩余时间切片的一半将被添加到新时间切片使其在下个epoch中可以执行更长时间。

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Hamilton swapped the lead with his team-mate Kovalainen before Buemi moved into top spot and then proceeded to slice more than half a second from his own time.

BBC: Kovalainen top as McLaren shine

With the same knife, slice each layer horizontally in half.

NPR: Recipe: Devil's Food White-Out Cake

However, the biggest slice of funding, more than half, is coming from the Tourist Board and the Department of Trade and Investment (DETI).

BBC: Titanic project faces EU grant shortfall