另一大风险来自交易所交易基金本身的性质变化。
2004年，交易所交易基金被引入了中国并大获成功。
In 2004, the Exchange Traded Fund was introduced into China and has been great success.
2004年，交易所交易基金被引入了中国并大获成功。
In 2004, the Exchange Traded Fund was introduced into China and has been great success.
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