Varroa mites have been causing serious problems in bee colonies in the United States since the late nineteen eighties.

瓦螨已造成美国蜜蜂自19世纪80年代后期严重的问题。

youdao

The national union of teachers insists that this is minority causing serious problems in schools. And also argues that the figures were reflecting improved relationship between schools and police.

国家教师联盟坚持称，在学校引起严重问题的只是少数。他们还辩解称，这反映了学校和警察之间的关系有所改善。

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Buffer overflows have been causing serious security problems for decades.

几十年来，缓冲区溢位一直引起许多严重的安全性问题。

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Varroa mites have been causing serious problems in bee colonies in the United States since the late nineteen eighties.

VOA: special.2009.09.22

"because the virus can spread rapidly, but what we're seeing so far is a pretty stable position as far as the virus is concerned, it's producing relatively mild illness in most people, but in a small proportion it's causing serious problems and we have in place the plans in our health care system to deal with those problems,".

VOA: standard.2009.07.31

Mr Milburn said the blockade was causing serious problems for NHS staff and patients.

BBC: You are in: Health

This is our old friend, "helicopter money", which Wadhwani believes could help boost economic activity without causing serious problems for inflation. (In fact, he first proposed this with another economist Michael Dicks in 2011).

BBC: On markets and helicopters

Potential growth is the maximum growth rate an economy could achieve without causing serious overheating problems.

FORBES: Estimating China's New Growth Potential