Problem has been found for which no test exists: code coverage.

发现的问题没有被测试过：代码覆盖率问题。

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Since then, this issue has been resolved and in the most recent versions of both products, this is no longer a problem.

自那时起，这个问题已经解决了，在两个产品的最新版本中，这已不再是一个问题。

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This discrepancy is known to cosmologists as the "lithium problem" and, until now, there has been no satisfactory explanation for it.

宇宙学家将这种差异性称为“锂之难题”，而到目前为止还没有针对此问题的合理解释。

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"The players have been fine, there has been no problem whatsoever, " he said.

BBC: Wayne Rooney keen for long stay at Manchester United

So far its approach has been to pretend there is no problem.

FORBES: Barack Obama Wants YOU --- to Pay $10,000 More To Maintain His Entitlement State

As has been widely noted, he sees no problem rhyming a word with itself.

NEWYORKER: The Sound of Success