研究人员蒂莫西·索尔特豪斯称，大多数人即使到了晚年，思维能力仍处于较高水平。
Most people's minds function at a high level even in their later years, according to researcher Timothy Salthouse.
这样的句子并不总是出现在思维中，即使出现了，它们也会与模糊的意象和无意识或潜意识活动的暗示混杂在一起。
Such sentences do not always occur in thinking, and when they do they are merged with vague imagery and the hint of unconscious or subliminal activities going on just out of range.
在实践中的问题是，传统的思维模式，往往会占上风，即使他们不应该，特别是对大型公共开支需要似乎永远不会发生。
The trouble in practice is that conventional modes of thought tend to prevail even when they shouldn’t; in particular, public spending on the scale needed never seems to happen.
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