Perceptions of the visible world were greatly altered by the invention of photography in the middle of the nineteenth century.

在19世纪中叶，摄影术的发明极大地改变了人们对可见世界的感知。

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Around the world, governments have subsidized the housing of middle- and upper-income groups.

全世界各政府都补贴过中高收入人群的住房。

《柯林斯英汉双解大词典》

You can surf the Internet if you want to know about the 2020 World Middle School Games.

如果想了解2020年世界中学运动会的情况，你可以上网查询。

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It warned that the world's ocean fish could be almost gone by the middle of the century.

VOA: special.2009.09.08

In the Middle Ages and to some extent in the Early Modern period, we live in a theocentric world.

在中世纪甚至是现在早期，我们生活在以上帝为中心的世界里。

耶鲁公开课 - 文学理论导论课程节选

The plant based economies began in the Middle East and then they spread to the rest of the world.

农耕经济由中东地区开始,发展并传播到全世界

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Chamberlain, the son of an Indiana tavern owner, dropped out of high school and undertook in the middle of World War II's gas rationing a road trip, with the idea of getting some sort of career in Hollywood. (Until he started selling enough art to support himself, he would earn a living as a hairdresser.) Busted in Blythe, Calif.

WSJ: John Chamberlain: Choices | Looks Like Rock 'n' Roll | By Peter Plagens

But in the world of Middle Eastern politics a world that now includes Syria in flames, Egypt in chaos, and even Jordan in a state of instability the prospects are dim for anything other than an increasingly volatile status quo.

NEWYORKER: The Party Faithful

But now Hadoop is smack in the middle of the world of Business Intelligence.

FORBES: Can Hadoop Survive its Weird Beginning?