With the help of WAI-ARIA live regions, you can divide all contents dynamically changed or updated into several criteria levels and then decide how to inform and interact with the users.

借助WAI - ARIA活动区域，您可以将所有动态更改或更新的内容划分为若干标准级别，并决定如何通知用户并与用户交互。

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People in some backward regions still live a life without electricity.

一些落后地区的人们仍然过着没有电的生活。

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Conversely, he said, mammals that live in arctic regions develop a layer of fat to insulate against the cold.

他还说：相反，居住在北极地区的哺乳动物长出了一层脂肪，起到了御寒的作用。

youdao

In fact, ZoomCar could, if it grows fast enough and markets cleverly enough, carve an impressive slice of the self-serve car rental space in a country where 300 million live in metropolitan regions.

FORBES: Attacking A $3 Billion Rent-A-Car Market

Then came the tension, this time followed by hope and excitement: Could it be that in this small, mountainous nation of over 8 million people we could scale up a rural health model for all Rwandans, over 80% of whom live in rural regions?

FORBES: Dr. Paul Farmer

And most of them will live in countries and regions that are now under-represented online.

WHITEHOUSE: VP's Remarks to London Cyberspace Conference