Although experts have warned for years that heart attack symptoms in women can be subtle and easy to miss, studies show that doctors are still slow to make the diagnosis.

尽管多年来专家们一直警告说，女性心脏病发作的症状不易察觉而容易被忽视，调查表明，医生们作出诊断仍然缓慢。

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Although experts can use their nose to smell their enemy's breathing, but when they are being eavesdropped, they will only realize if the other party knock something over.

尽管高手可以用鼻子闻到敌人的气息，但在被偷听时，只有对方碰翻了什么东西才能察觉。

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She is said to now be looking forward to hugging her babies and, according to her husband, has been told she can give birth naturally although experts say this is impossible.

据说她现在期待着拥抱她的婴儿，据她的丈夫说，她已被告知可以自然分娩，虽然专家说这是不可能的。

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Inspite of several ground breaking studies on autism, there is no single treatment or cure, although experts say certain therapies and educational approaches reduce the challenges associated with the condition.

VOA: standard.2010.03.23

It was nicknamed Swine Flu, although a few months later public health experts began calling it by its proper name: H1N1.

VOA: standard.2009.12.25

Although the legality of office betting pools varies from state to state, experts estimate that billions of dollars are wagered on the tournament.

VOA: standard.2009.03.25

Preliminary results were encouraging, and even showed a benefit on reducing deaths in one dose--although experts warn to view that as preliminary until a larger study is done.

FORBES: ACC Conference

This US study suggests a shift in the age of those experiencing stroke, from the old to the young, although experts say the findings need to be treated with caution.

BBC: Strokes in young people 'rising', study finds

Canadian health officials will be using a stockpile of vaccine to make the shots easily available during the games -- although experts point out that it takes seven to 10 days to develop immunity after the vaccine.

CNN: Canada's Olympic-sized plan to fight H1N1