如何通过xslt获取元素的值

Question

I have a below XML.
XML-
<Book>
 <Title>blahblah</Title>
 <Title>
  <subtitle>bcdf</subtitle>
  <subtitle>fgdh</subtitle>asdfg
 </Title>
 <Title>
  <subtitle>bcdf</subtitle>jhuk
  <subtitle>xyza</subtitle>refsdw
 </Title>
<Title>
 <subtitle>bcdf</subtitle>fdgfjhdc
 <subtitle>trey</subtitle>
</Title>

我希望通过xslt获得以下输出，任何人都可以帮助我解决这个问题。

<Title>blahblah</Title>
<Title subtitle="bcdffgdh">asdfg</Title>
<Title subtitle="bcdfxyza">jhukrefsdw</Title>
<Title subtitle="bcdftrey">fdgfjhdc</Title>