《美国老年医学会杂志》上发表的一项新研究通过考察246名孩子的性格特征研究了这个问题，这些孩子都是100岁以上老人的后代。
A new study in the Journal of the American Geriatrics Society looked at this question by examining the personality characteristics of 246 children of people who had lived to be at least 100.
世界银行计划通过诊断性研究提供技术援助。 这些研究将考察城市利用资源的效率和确定哪些方面可以作出改进。
The World Bank plans to provide technical assistance through diagnostics studies that look at how efficiently the city is using resources and identify where improvements could be made.
通过考察一座城市的高校数量、这座城市外国籍人口的多寡，及当地通用的语言的数量都可以对这些方面所取得的某些成绩进行量化。
Some of these attributes can be measured, by looking at how many universities a city has, how many of its residents were born abroad, how many languages are spoken there.
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