这不是一个健全的是没有，但几乎从来没有听说过，因为人们不会花时间来听。

It is not a sound that is absent, but almost never heard because people do not take the time to hear it.

youdao

这不是一个健全的是没有，但几乎从来没有听说过，因为人们不会花时间来听。

It is not a sound that is absent, but almost never heard because people do not take the time to hear it.

youdao