But unlike standard funds they can be bought and sold throughout the trading day, so investors can make, or reverse, broad bets quickly, without having to buy dozens of stocks separately.

但与标准的基金不同，它可以在交易日内买卖，所以，投资者可以在短时间内进行资产的买进卖出，而不用单独地买卖大量的股票证券。

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You can help reverse the effects of aging on the brain by eating these berries once a day.

每天吃一次浆果能帮助您逆转衰老对大脑的影响。

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A few cups of coffee a day may be all that is needed to reverse the effects of Alzheimer's disease, new research suggests.

一项新的研究表明，一天几杯咖啡也许是为了扭转阿尔茨海默病的作用所需要的。

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The key will be the action over the next two days as two higher closes and at least one very strong up day are needed reverse the deterioration I noted last week.

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Keen to make Dropbox work on every computer, he spent 20 hours a day trying to reverse-engineer the guts of it.

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The Llanelli-based region lost the reverse fixture at Parc y Scarlets on Boxing Day 14-21.

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