The number one feature of a physical book is that it disappears while you are reading it.

一本实体书的最重要的特点是,当你阅读时，它会消失在你眼前。

普林斯顿公开课 - 领导能力简介课程节选

Then it will stay activated for some period of time, and eventually disappear again.

它在某一时间段保持激活状态,最后消失得无影无踪

耶鲁公开课 - 生物医学工程探索课程节选

It disappears and comes back, and at that time his mother, who is actually Freud's daughter, was going out to work for the first time on some days, and the boy was getting used to letting her go.

它又消失了之后又出现了，在那时他的妈妈，实际上是弗洛伊德的女儿，正准备,第一次出去工作一段时间，男孩正慢慢习惯,让她出去。

耶鲁公开课 - 1945年后的美国小说课程节选

The Times of London is one of the most venerable newspapers in the world and it was losing money fast; it might have disappeared if Murdoch hadn't taken over.

泰晤士报》在世界上受人尊敬,但它亏损很快,假如默多克没有收购它,可能已经消失了

耶鲁公开课 - 金融市场课程节选

The force may taper off, the force may not be given by a straight line, but for modest deformations, every spring will have a linear regime in which the force is linearly proportional to the stretching.

它产生的力可能会渐渐消失,力的曲线可能不是一条直线,而有轻微的弯曲,每个弹簧都有一个线性区间,在这一区间内,力和伸长量是线性关系

耶鲁公开课 - 基础物理课程节选

These conditions permitted a development of institutions and habits needed for freedom, even as they also made Europe vulnerable to conquests and to extinction, and Europe was almost extinguished practically before there was a Europe; very early in its history.

这些恰恰是自由的形成和发展,需要的的制度和特征,尽管这也使欧洲,在外敌入侵时变的不堪一击,实际上,在它早期的历史中,欧洲在尚未形成前就差点消失

耶鲁公开课 - 古希腊历史简介课程节选

Then when we look at the statistics, all we see are a lot of assets in the fund that performed well and the underperforming fund that was merged out of existence isn't there anymore.

于是当我们去查阅统计资料时,只能看到资产规模巨大且运作良好的基金,那些运作不佳的基金,随着合并与它的纪录一起消失了

耶鲁公开课 - 金融市场课程节选