蒂特顿先生是欧米茄乐团的主席，但在过去的四年里，他一直是该乐团的官方翻页人。
Mr. Titterton is chairman of the Omega Ensemble but has been the group's official page turner for the past four years.
尽管许多食品天然富含水杨酸盐，但在过去几十年里，食品加工公司也一直在食品中添加水杨酸盐作为防腐剂。
Although many foods are naturally rich in salicylates, for the past several decades, food-processing companies have also been adding salicylates to foods as preservatives.
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。
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.
非洲大部分地区的狮子已经消失了，但在过去的几年里，科学家们猜想这种大型猫科动物仍然存在于苏丹和埃塞俄比亚的偏远地区。
Lions have disappeared from much of Africa, but for the past few years scientists have wondered if the big cats were hanging on in remote parts of Sudan and Ethiopia.
但在过去十年，事情变得不对劲了。
但在过去几年中它已经停滞。
但在过去的两个月里，这变得益发严重。
但在过去四个月，他们仅仅增长63万。
但在过去四个月，他们仅仅增长63万。
但在过去一个月，市场的领导者已经变换。
But the leadership of markets has shifted in the past month.
但在过去，就业市场的复苏步伐更为迅速。
但在过去的几年里经销商的佣金大大增加了。
But in the past few years dealers' commissions have been boosted.
但在过去的50年里，36%的冰川消失了。
But in the past 50 years, the glaciers have lost about 36 percent of their mass.
但在过去几年中，PaaS市场变得热门起来。
But over the past few years, the market for PaaS has heated up.
但在过去几年，该集团已经在武汉创办了三所院校。
But in the last few years, the group has launched three colleges in Wuhan.
但在过去的二十年中，没有证据表明日本能够完成这样的转变。
But the past two decades offer little evidence that Japan can make that shift.
但在过去五年左右的时间里，这一问题有了明显改善。
But over the past five years or so there has been a marked improvement.
但在过去十年中它已经转向其他的企业软件和硬件领域。
But in the past decade it has moved into other corporate software, and hardware too.
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 few years mainstream media organisations have changed their attitude.
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。
But in the past it was often because it was often difficult for voters to access accurate information.
但在过去一两年，一种新型的网络日志已经出现，即员工博客。
But over the past year or two, a new kind of web-log has emerged: the employee blog.
但在过去的几年中，德国的名次在OECD排名中上升了不少。
Germany's standing in the OECD rankings has improved a great deal in the past few years.
但在过去几年内，事情发生了变化：这项技术已经变得非常成熟。
But in the past few years, something has shifted: the technology is now surprisingly mature.
但在过去30年“径流一直不断增加，”他在电子邮件交流时说。
But over the last 30 years "there has been an increase in runoff," he said in an email exchange.
但在过去六个月里，该地区经历了前所未有的干旱，迫使他休渔。
But for the past six months, the area has been experiencing a drought never seen before, forcing him to stay ashore.
但在过去十年里，养护不良已经导致故障、过度拥挤和长时间误点。
But in the last decade, poor maintenance has led to breakdowns, overcrowding and lengthy delays.
但在过去十年里，养护不良已经导致故障、过度拥挤和长时间误点。
But in the last decade, poor maintenance has led to breakdowns, overcrowding and lengthy delays.
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