在美国，老年人也是美国劳动力中增长最快的群体，而婴儿潮这一代的寿命预计比前几代人更长寿。

Older Americans are also the fastest-growing segment of the U.S. workforce, and boomers are expected to live longer than previous generations.

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如果你是一个经常喝着黑咖啡复习的学生，那么在考试前也喝一杯咖啡来做准备或许也是明智的。

If you are a student who always reviews over black coffee, perhaps it would be sensible to prime yourself with a cup before the exam.

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另一个窃取玩耍时间的因素：孩子们花在屏幕和电子设备前的时间越来越多，甚至学龄前儿童也是如此。

Another playtime thief: the growing proportion of kids' time spent in front of screens and digital devices, even among preschoolers.

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In the second poem here, "I Looked Up From My Writing," the poet, the first person, is being interrupted at his desk at night.

在第二首诗中“从我的写作中来看“,诗人也是第一人称，夜晚在书桌前被打扰。

耶鲁公开课 - 现代诗歌课程节选

For example, Frito-Lay, before they really had to because of bad publicity, took out all of the Trans fats in their products and that was -they're the largest snack manufacturer in the world so that was a pretty significant advance for the healthiness of their foods.

例如,菲多利,为免受到舆论谴责,他们在政策发布前,就已剔除了其所有产品中的反式脂肪,他们是世界上最大的零食生产厂商,这对他们产品的健康程度也是一大提升

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Course assistants as we use the jargon are alumni of CS50 who return to the course for a couple of hours a week having taken it in prior years, to help you, the newest batch of students, one on one with office hours, with problem sets; and similarly do the CS function as they might in many courses.

课程助理用我们的行话说就是CS50校友0,他们在前几年一直都是一周回来几个小时,来帮助你们这些新生，在上机的时候以一对一的方式，帮助你们完成这些问题集,在很多其他课程中他们也是这么做的。

哈佛公开课 - 计算机科学课程节选