A new study by the University of Minnesota and McGill University in Montreal looks at where, and how far, this decline is occurring.
明尼苏达大学和蒙特利尔的麦吉尔大学的一项新研究着眼于这种衰退发生的区域和程度。
Since many local businesses in Florida cater to retirees, this decline is likely to have a noticeably negative economic effect on these businesses.
由于佛罗里达州的许多地方企业都是为退休人员服务的，这种下降很可能对这些企业产生明显的负面经济影响。
Several explanations have been offered for this decline and for the discrepancy in productivity growth between the manufacturing and service sectors.
对于这种下降以及制造业和服务业之间生产率增长的差异，人们提出了几种解释。
Several examples of this decline are quoted in the study.
报告引述了一些实例来说明这种下降趋势。
The standard explanations for this decline are all unsatisfactory.
对衰落的种种既有说法都不尽如人意。
Scientists have advanced several hypotheses to explain this decline.
目前，科学家提出了几个假说来解释黄杉数量的下降。
Retailers are trying to counter this decline by making gift CARDS more attractive.
零售商将努力通过使礼卡更具吸引力来应付下降的趋势。
Unfortunately, this decline in napping may be causing poorer afternoon alertness and performance.
不幸的是，这种小睡的减少可能会引起在午后警觉度和工作状况的下降。
The initial results of this study indicate that 3d films may potentially play a role in slowing this decline.
这项研究的初步结果表明，3d电影或许可以在减缓这种衰退中发挥作用。
Empirical observations however, indicate that the magnitude of this decline is not the same for both genders.
经验数据表明，男女的失业率下降幅度是不一样的。
U. S. economists deplored this decline in the purchasing power of the dollar because it tended to exacerbate inflation.
美国经济学家们对美元购买力的下降表示担心，因为这会加剧通货膨胀。
Although this decline continues into old age, it slows down slightly for people in their 30s when many of them become first-time parents.
尽管这种下降趋势会一直持续到老年，但在人们30岁时会略微减慢，许多人在此时第一次为人父母。
Background - Death rates for coronary heart disease have been declining in the United States, but the reasons for this decline are not clear.
背景-美国冠心病的死亡率呈下降趋势，但具体的原因还不清楚。
Despite this decline, the EU has become increasingly dependent on crude oil imports, which now amount to 88% of the region's total consumption.
虽然出现了总消耗量下降的趋势，但欧盟对原油的对外依存度越来越高，目前已占到该地区能源总消耗量的88%。
For now this decline is offset by the strong rise in corporate savings, which is why Japan continues to run a comfortable current-account surplus.
目前，日本公司存款的强势增长能够抵消这种下滑趋势，这也是日本能够持续稳当地维持经常项目盈余的原因。
All of this decline will occur in "fabrication" (which includes jewellery, and industrial and dental USES), where demand will fall by 9% to 2,344 tonnes.
所有这些下降也将体现在黄金的“工业消费”上(包括珠宝饰品和其他工业以及牙科的应用)，黄金的“工业消费”将下降9%达2344吨。
All of this decline will occur in "fabrication" (which includes jewellery, and industrial and dental USES), where demand will fall by 9% to 2, 344 tonnes.
所有这些下降也将体现在黄金的“工业消费”上(包括珠宝饰品和其他工业以及牙科的应用)，黄金的“工业消费”将下降9%达2344吨。
One possible explanation for this decline is that lorry drivers have started taking detour s to less convenient routes to avoid being stuck in traffic on the bridge.
对流量减少的一个可能解释是，卡车司机开始绕道，选择不那么方便的路径来避开桥上的交通堵塞。
In England this decline is often financially ruinous as well as traumatic: frail homeowners with no surviving spouse must pay eye-watering prices for care until their assets are all but exhausted.
在英国，这通常会导致财政上的损失和重创：丧偶的虚弱屋主必须支付高昂的护理费用，直到他们的资产耗尽。
So pesticides have significantly contributed to declines in bird population and because there will continue to be a need to control agricultural pests in the future this decline will continue.
所以，杀虫剂会对鸟类的数量有非常严重的影响。同时，因为即便是在将来，还是需要杀虫剂来控制农业害虫，所以，鸟类数量减少的趋势难以改变。
So, pesticides have significantly contributed to declines in bird population, and because there will continue to be a need to control agricultural pests in the future, this decline will continue.
所以，杀虫剂会对鸟类的数量有非常严重的影响。同时，因为即便是在将来，还是需要杀虫剂来控制农业害虫，所以，鸟类数量减少的趋势难以改变。
"Even if oil demand were to remain flat, the world would need to find more than 40m barrels per day of gross new capacity—equal to four new Saudi Arabias—just to offset this decline, " says Mr Birol.
比罗尔表示：“即使石油需求量不变，全世界必须每天增加40兆桶的石油产能——相当于四个新沙特阿拉伯的石油产量——才能弥补这些油田产量的下降。”
The investigators attribute this decline in new cases to regular exercise, which suppresses the production of inflammatory markers in the lungs caused by smoking, and reduces the pathogenesis of COPD.
研究人员把新病例的减少归结为有规律的活动，其可以抑制由吸烟引起的肺部炎症因子的产生，从而减少COPD的发病。
This decline was partly seasonal.
这种下跌部分是季节性的。
This decline was seen across all musical genres.
而在不同风格的音乐中这种下降都有所体现。
This decline is soon reflected in the yield of crops.
这种下降马上反映到作物产量上。
This decline is soon reflected in the yield of crops.
这种下降马上反映到作物产量上。
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