17世纪晚期（1688年），瑞士医生丁·霍弗尔（Johannes Hofer）把这两个词根连接起来，首创并使用了nostalgia一词，专指一种众所周知的、痛苦而强烈的思乡病。
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霍弗尔兹说，这也反映了重要的行为和价值转变，它将会影响到今后多年的生活。
It also reflects' important behavioral and values shifts that will affect lives for years to come, 'Dr. Hofferth says.
当然，霍弗尔兹的数据也显示，孩子们不做家务的原因之一在于他们花在读书、学习和青年社团等“更有价值”活动的时间增加了。
Of course, children aren't doing housework partly because they're spending more time on such worthy pursuits as reading, studying and youth groups, Dr. Hofferth's data show.
当然，霍弗尔兹的数据也显示，孩子们不做家务的原因之一在于他们花在读书、学习和青年社团等“更有价值”活动的时间增加了。
Of course, children aren't doing housework partly because they're spending more time on such worthy pursuits as reading, studying and youth groups, Dr.
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