他们一半以上的时间都花在了指挥交通和开违规停车罚单上。
More than half of their time is spent directing traffic and writing parking tickets.
由于成本和时间的原因，我们决定将复制品缩小一半，并使用合成材料来缝合。
It was decided to make the replica half-scale for reasons of cost and time, and synthetic materials were used for the stitching.
如果你没有时间，只需跑一半的时间就能获得和其他运动一样的好处，所以，我们或许都应该尝试一下跑步。
If you are time poor, you need run for only half the time to get the same benefits as other sports, so perhaps we should all give it a try.
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