但特别是当我们回顾美国动荡的过去时，今天的社会指数很难表明一个黑暗和恶化的社会环境。
But particularly when viewed against America's turbulent past, today's social indices hardly suggest a dark and deteriorating social environment.
这一研究发表在十二月份出版的《社会指数研究》杂志上。
The study appears in the December issue of the journal Social Indicators Research.
这一在《社会指数研究》期刊上发表的报告指出，这可能是因为年龄大的人更懂得珍惜。
The report, published in the journal Social Indicators Research, said this could be due to older people being more appreciative.
2010年的这些排名是基于71个经济和社会指标的指数，如新专利，移动电话用户和风险投资的实用性。
These rankings, for 2010, are based on an index of 71 economic and social indicators, as diverse as new patents, mobile phone subscriptions and availability of venture capital.
2010年的这些排名是基于71个经济和社会指标的指数，如新专利，移动电话用户和风险投资的实用性。
These rankings, for 2010, are based on an index of 71 economic and social indicators, as diverse as new patents, mobile phone subscriptions and availability of venture capital.
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