What most aborigines need is improvements in low educational achievements, low life expectancy (17 years below the national average), high mortality among children and poor job prospects.

大多土著需要的是改进低下的教育水平、低数值的预期寿命(比国家平均数少17年)、儿童高死亡率和惨淡的就业前景。

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A recent analysis shows that, when American price-earnings ratios are low, returns on equities over the next decade average 8%; when they are high, returns average 3%.

最近一份分析显示，当美国市盈率处于低位时，未来10年股票的平均收益率超过8%；当市盈率高时，收益率平均为3%。

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When the preannouncement ratio is high and expectations are low, stocks rise an average of 2.1% during the new quarter's first month, reacting positively to the earnings reports.

而当公司预告情况不佳、投资者预期较低时，股市在新季度的头一个月平均上涨2.1%，对收益报告作出正面反响。

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So, for example, we have this average level, and then it can go high where we have the peak, or it can go very low. We can also discuss sound waves, so again it's just the periodic variation of some property -- in this case we're talking about density, so we have high density areas and low density areas.

例如这是平均位置，在峰的位置水位高，在谷水位低，我们也可以,讨论声波它也是某种,量的周期变化，在这里我们,讨论的是密度,我们有高密度区和低密度区。

麻省理工公开课 - 化学原理课程节选

Reforms launched by the government of Chancellor Gerhard SCHROEDER (1998-2005), deemed necessary to address chronically high unemployment and low average growth, contributed to strong growth in 2006 and 2007 and falling unemployment.

FORBES: Germany

It has been suggested that the lack of mortgages in Italy has contributed to that country's low birth rate and the high average age at which Italians marry for the first time.

ECONOMIST: Mortgage markets

From the May 2 high to the October 4 low the Dow Industrial Average declined 19.2%.

FORBES: Move up http://i.forbesimg.com t Move down