伦敦帝国理工学院的詹姆斯·边沁是这项研究的合著者之一。他表示，这种全球趋势可能主要归因于营养和医疗条件的改善。

James Bentham, a co-author of the research from Imperial College, London, says the global trend is likely to be due primarily to improvements in nutrition and healthcare.

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“这是我在苹果为数不多的几次感到寒意的会议之一。”一位与会者表示。

"It was one of the few times at Apple when I got a chill," says someone who was in the meeting.

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在2018年的一项调查中，超过五分之一的美国和英国成年人表示，他们经常或总是感到孤独。

More than one-fifth of adults in both the United States and Britain said in a 2018 survey that they often or always feel lonely.

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Yeah. Absolutely. A lot of emphasis, a lot of variation in tone, and the italics are part of the representation of that.

对，绝对是的，很多的强调，很多语气上的变化，而斜体字就是它的表示方法之一。

耶鲁公开课 - 1945年后的美国小说课程节选

But since in drawing Lewis structures actually, in some cases you do, you can draw a dotted line that means a 1 and 1/2 bond, but most in most cases, we just draw out both resonance structures, and the way that we say it's a resonance structure is that we put it in the brackets and we put an arrow between it.

但是由于在画路易斯结构时,其实，在某些情况下是可以的，你可以画一条虚线来表示一又二分之一键，但是在多数情况下，我们就把两个结构都画出来，而我们说这是一个共振结构的表示的方法是,把它们放在括号里，并在中间放一个双箭头。

麻省理工公开课 - 化学原理课程节选