There is not much clearance for vehicles passing under this bridge.

车辆在这座桥下通过时没有多少余隙。

《牛津词典》

Though koalas are Australia's most iconic and adored marsupials, they are under threat due to a shortage of suitable habitat from mass land clearance.

尽管考拉是澳大利亚最具有代表性的哺乳动物，但由于栖息地的减少，它们仍处在危险中。

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The most significant threat to bats is habitat clearance, particularly the removal of the old forest wood where they roost in hollows or under the bark of trees.

对蝙蝠最严重的威胁来自对其栖息地的彻底破坏，特别是对老林区的砍伐，威胁最大。老林区的树洞或树皮内，是蝙蝠赖以栖息的地方。

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And then, also, some of the things that have happened in past elections such as the Hanging chads in a district that was not covered by pre-clearance, some things that have happened in Wisconsin that have not been covered under pre-clearance, Missouri, give them an opportunity to come into this system and have some of the positive results that happened in the South.

NPR: Voting Rights Act Renewal Stalled in Congress

Now, as far as states being under pre-clearance, what that means is that if you move your precinct voting place from a Baptist church to a Methodist church, then you have to get the Department of Justice to approve that.

NPR: Voting Rights Act Renewal Stalled in Congress

The Boards of Directors of Disney and Lucasfilm have approved the transaction, which is subject to clearance under the Hart-Scott-Rodino Antitrust Improvements Act, certain non-United States merger control regulations, and other customary closing conditions.

ENGADGET: Disney acquires Lucasfilm for $4.05 billion, plans more Star Wars movies