嗨！最近我一直听到关于 ETF 的事情。能否有人解释一下什么是 ETF 呢？它到底是如何运作的？先在这里感谢！dRYER923

你能简化ETF的概念吗？如果你无法翻译，原样返回句子。

<p>Hey there! Recently I keep hearing about EFTs here and there. Could someone explain to me what an ETF is? How does it work exactly? Thank you in advance. dRYER923</p>


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ccFOUND Archiwum 

Hey there! Recently I keep hearing about EFTs here and there. Could someone explain to me what an ETF is? How does it work exactly? Thank you in advance. dRYER923