Another thing Katherine loved about Facebook was that she didn't have to think about time zones when updating family.
2017年6月四级真题（第一套）听力 Section C
Today, when time zones have less and less meaning, there is little tolerance for offices' closing for lunch, and worsening traffic in cities means workers can't make it home and back fast enough anyway.
2016年6月四级真题（第二套）阅读 Section C
You can also use apps like Off Time or Unplugged to create tech free zones by strategically scheduling automatic airplane modes.
2018年12月六级真题（第一套）阅读 Section B
The general rule is that mild zones have relatively few languages, often spoken by many people, while hot, wet zones have lots, often spoken by small numbers.
2018年高考英语全国卷I 阅读理解 阅读C 原文
He also urged councils to impose "fast-food-free zones" around schools and hospitals—areas within which takeaways cannot open.
2011年考研真题（英语二）阅读理解 Section Ⅱ
In zones of increased turbulence, the planes' wakes will decay more quickly and the effect will diminish.
2010年考研真题（英语二）阅读理解 Section Ⅱ
The zones do deliver some improvements to air quality, and the science tells us that means real health benefits - fewer heart attacks, strokes and premature births, less cancer, dementia and asthma.
2020年考研真题（英语二）阅读理解 Section Ⅱ