Marking up all your view columns with up/down arrows is not necessarily making your application any easier to use, but it certainly will make it slower.
将所有视图列都标记上向上/向下箭头不一定会使应用程序更容易使用，但它一定会使应用程序更慢。
At a distance it just looks like a marking on the road but when the car is 30 metres away it appears to suddenly rise up from the road.
远远看去，这个幻影就像是路面上的一个标记，但是当汽车离她只有30米远的时候，她就会突然“站立在”马路上。
Normally a beefy bundle of exchange rate fun, this year it is marking a sombre anniversary: five years since global money-markets seized up in the summer of 2007.
与往常拿厚厚一叠汇率开玩笑不同，今年是为了黯然纪念“2007年夏全球金融市场失灵”五周年。
At a distance it just looks like a marking on the road but when the car is 30 metres away it appears to suddenly rise up from the road.
远远看去，这个幻影就像是路面上的一个标记，但是当汽车离她只有30米远的时候，她就会突然站立在马路上。
He was motionless, all but for one finger that moved up and down in front of his face as if he were marking time with it.
他一动也不动，除了一根手指在他的面前上下摆动，好像在用它标记时间。
He was motionless, all but for one finger that moved up and down in front of his face as if he were marking time with it.
他一动也不动，除了一根手指在他的面前上下摆动，好像在用它标记时间。
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