Michael Jackson died nearly two months ago of cardiac arrest in circumstances which remain unclear.

迈克尔·杰克逊于大约两个月前心脏骤停去世，目前当时的情况还不明晰。

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While the TARP may lift confidence, the timing and extent to which it boosts their capital will depend on the prices paid, which remain unclear.

在TARP可能提升信心的同时，它购买资本的时机和范围程度依赖于支付的价格，而这价格尚未明朗。

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Precise details of the strike, which was first uncovered on Monday, remain unclear.

周一披露的该攻击的准确地详细资料仍旧不清楚。

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Despite the small number of genes which made it through, the Neanderthals did go extinct in Europe, western Asia and Siberia - for reasons which remain unclear.

BBC: So we're part Neanderthal. What now?

The gregarious are therefore at greater risk than the lonely of catching viruses, and Dr Cole thus suggests that past evolution has created a mechanism (the details of which remain unclear) which causes white cells to respond appropriately.

ECONOMIST: The reason loneliness could be bad for your health

Conservative Rob Jones claims it is still unclear which youth centres will remain open and which will close following budget cuts.

BBC: South Gloucestershire's youth service changes a 'muddle'