另外，交易所指数基金能提供每日的价格和流动性，允许投资者迅速退出和改变他们的市场地位而不遭受因卖出来受到的严重损失。

In addition, ETFs can provide daily pricing and liquidity, allowing investors to exit quickly and change their market position without incurring heavy discounts on selling the product.

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一旦市场跌落，那将是一场急速的暴跌，这时若想不付出巨大亏损而退出的话，已经太迟了。

When such markets drop, it is alarmingly rapid and generally too late to exit without big losses.

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