There are purple clothes, purple handbags, purple bicycles, purple furniture, even purple computers! But in the past, purple was a very expensive and unusual color.
有紫色的衣服，紫色的手提包，紫色的自行车，紫色的家具，甚至紫色的电脑！但在过去，紫色是一种非常昂贵和不寻常的颜色。
But in the past few years, the snow-line has risen 500m.
但过去几年，雪线上升了500米。
But in the past few years the web has hastened the decline.
但是，在过去的几年里，网络加速了这种下跌的趋势。
But in the past few years dealers' commissions have been boosted.
但在过去的几年里经销商的佣金大大增加了。
But in the past decade the number of European and American buyers has dwindled.
但过去十年，欧美买家数量日渐减少。
But in the past 50 years, the glaciers have lost about 36 percent of their mass.
但在过去的50年里，36%的冰川消失了。
B: Definitely not. But in the past, a man could have as many wives as he pleased.
绝对不行。但是过去一个男人娶几个妻子都行。
But in the past year I’ve managed to make leaps and bounds in being true to myself.
我一直痛苦于此，但在去年做到了飞跃---做回真的自我。
But in the past few years mainstream media organisations have changed their attitude.
但在过去的几年中，主流媒体组织已经改变了自己的态度。
But in the past three decades this subtle musical voice has grown quieter and quieter.
但在过去的三十年中，这种不可思议的美妙音乐趋于销声匿迹——直到现在。
David: Yeah, but in the past, we've really been put in a bind because of damaged goods.
大卫：是的，但过去我们确曾因受损货物而遇上麻烦。
Promises to cut business regulations are good but in the past they have seldom been met.
减少商业法规的承诺是可取的，但按照过去的经验来看，也只是说说而已。
"Its technology isn't bad, but in the past its public relations was lacking," Tseng said.
曾说“宏碁的技术是不错的，但是过去缺少公关”。
But in the past three decades this subtle musical voice has grown quieter and quieter. Until now.
但在过去的三十年中，这种不可思议的美妙音乐趋于销声匿迹——直到现在。
But in the past 11 weeks as Greece teetered on the edge of default, commodity prices have dropped.
但是在过去的11周当中，正当希腊经济动荡，濒临债务违约边缘之时，商品价格出现了下滑。
But in the past couple of decades, scientists have learned that Mendel's understanding was incomplete.
但过去的20年里，科学家们意识到孟德尔的理解是不完备的。
But in the past few days it has caused a sensation that has rippled right across the literary world.
但是，就在过去几天里，它已经引起了波及整个文坛的轰动。
Sodium infill valves are not a new concept, but in the past they have been extremely costly to build.
中空充钠气门并不是一个全新的概念，但是过去他们造价高昂。
But in the past it was often because it was often difficult for voters to access accurate information.
但在过去造成这种现象的原因是选民很难了解到正确的信息。
He has not gone into specifics, but in the past few weeks Mr Obama has given glimpses of his thinking.
在前几周，奥巴马没有对此给予详细的说明，但他还是透露了一些他的打算。
But in the past things were different; there's evidence we got caught in a blast 2 to 3 million years ago.
但是，过去的情况不同。我们获得了两、三千年以前大爆炸的证据。
But in the past few years, this familiarity has vanished-and taken the industry's sense of security with it.
但是在过去的几年间，这种亲密已经荡然无存，随之消失的还有这个行业的安全感。
[But in the past,] I didn't want to stay more than three days, because there was no shower, no place to sleep.
但是在过去，我呆在这儿不会超过三天，因为不能洗澡，没有地方可以睡个好觉。
It was a long way for us to catch up but in the past years demand for Spanish has experienced vertiginous growth.
对我们来说，要迎头赶上任重而道远，不过在过去的岁月里，对西班牙语的需求经历了令人眩晕的增长。
But in the past 10, 000 years, for humans at least, genetic evolution has been nudged aside by something more powerful.
但在过去的1万年里，至少对于人类来说，遗传基因的进化作用，已经被某种更强大的东西排斥到了次要地位去了。
But in the past few months, as the number of foreigners investing in coastal property has dried up, so has the cash.
但是在过去几个月之中，沿海地产的外国投资者的数量骤减，资金也随之枯竭。
But in the past 40 years, there hasn't been any real change in age of menarche, which remains at just over 12 years.
但是在过去的40年间，初潮发生的年龄段并没有实质性的改变，还是在12岁左右。
In the past six months, gas prices have climbed more than 70 cents, but in the past two weeks alone, they're up 34 cents.
过去六个月，天然气价格骤升了70%，仅仅过去两周内就上涨了34%。
But in the past few months, the quiet village has been inundated by groups of esoteric outsiders who believe the peak is an.
然而，在过去的几个月里这种宁静的场面被打破了，村子涌入了成群的不速之客，他们认为山顶是外星人的临时停靠地。
Luxury has always been a cyclical industry, but in the past decade it has soared and plunged like a well-dressed bungee-jumper.
奢侈品行业从来都是一个周期性行业，但是在过去的十年里它的飙升和大跌的表现就像一个全副武装的蹦极选手一样。
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