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有人对我国1985年评选出的286名80岁以上的健康老人研究分析后,发现他们共同的特点都是与人为善,乐于奉献。这使人想到
After studying and analyzing 286 healthy elders over 80 years old selected in 1985 in our country, some people find that their common characteristics are good people and dedication. This is reminiscent of