At its most basic, this means four-eye review, but in practice far more people can be involved.

这意味着至少要通过两个人审校，但在实践中，审校者可能更多。

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A bird's-eye view of China would indicate that China's terrain descends in four steps from west to east.

从高空俯瞰中国大地，地势像四级阶梯，自西向东，逐级下降。

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On the ground, each of the four Very Large Telescopes is busy keeping an eye on the distant universe.

在地面上，四个超大型望远镜中的每一个都忙碌着，凝望着遥远的宇宙。

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The ownership of four listed buildings, including eye-catching Italianate towers, could be transferred to Leeds City council.

BBC: Holbeck's landmark towers in transfer deal

Some of you may have your eye on a four-year college.

WHITEHOUSE: President Obama Speaks on the 2013 Budget

In the beginning, there was the lordly general manager of the Brooklyn Dodgers, Branch Rickey (Harrison Ford), a Bible-quoting, sixty-four-year-old Republican with a strong moralistic streak and a sharp eye for business.

NEWYORKER: Artful Dodgers