实际上，对于这段脚本，另外一种解决办法是删除return关键字。

Actually, for this particular script, an alternative fix is to remove the return keyword from the line.

youdao

实际上，在Scala中没有virtual关键字。

In fact, there is no virtual keyword in Scala.

youdao

实际上，在Scala中没有virtual关键字。

In fact, there is no virtual keyword in Scala.

youdao