Suppose you are moving after five years, you took out a thirty-year mortgage and you're moving after five years.

假设你已经偿还了五年贷款,你的贷款总期限是30年,你已经还了五年

耶鲁公开课 - 金融市场课程节选

That's because, well, when you buy your first house you might be twenty-five, so thirty years brings you to age fifty-five; that's close enough to retirement.

这是因为,你可能在25岁时买第一套房子,当还清30年的贷款时你已经55岁了,都快退休了

耶鲁公开课 - 金融市场课程节选

They thought, oh my God, the price earnings ratio is thirty-five.

他们想,天啊,市盈率变成35了

耶鲁公开课 - 金融市场课程节选