以下为句子列表：
英文: “People in their 60s and 70s are vital to our society and iftheydisappeared from that, families and communities and to acertaindegree workplaces would fall apart,” said Prof Harper.
中文: 哈珀教授指出：“六七十岁的人对我们的社会来说至关重要，如果没有了他们，家庭、社区都会分崩离析，工作场所也会在一定程度上受到影响。”
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