V8 returns an empty handle if an operation did not succeed.

当操作失败的时候V8会返回一个空句柄。

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Throw exception: If an error is encountered, an exception is thrown and the operation is not performed.

Throw exception：如果突然出现一个错误，抛出一个异常，操作不能执行。

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For example, if an operation can be modeled completely as an activity diagram there should be no reason why that operation implementation could not be generated.

举例来说，如果可以将一个操作完整地建模为活动图，那么就没有理由不能生成该操作的实现了。

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An operation to remove the cancerous cells can cure melanoma if the cancer has not spread.

VOA: special.2010.07.06

"If he has an operation or not, he will need around six weeks, " Ospreys physio Chris Towers told the Evening Post.

BBC: Ospreys hit by injury to Bishop

She added that hundreds, if not thousands, of properties would have to be searched, an operation could take days or even weeks.

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However, lawyers for Mr Rodney's family have already argued in court that the inquiry may fail to properly explore what happened if it does not examine how the operation was planned - and whether there could have been an opportunity to arrest the men without opening fire.

BBC: Azelle Rodney police shooting 'like cowboy scene'