Apart from actual ownership an interest in real estate may consist of a lease a mortgage a lien or other encumbrance on the property.

除实际拥有权以外，不动产可包括租凭，房产抵押，抵押品留置权以及其他财产负担等。

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For example, you buy a home and later learn that the previous owner paid so little real estate tax that the local government has put a lien on the property.

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