Hello Liwei,
You need to review the videos on our website about using the financial reporter. Here's a link to one about adding rows and columns:
There are five of these "Show me how..." videos on our
Tech Tips page. There are also two
webinars recorded on using the Financial Reporter.
The function you need is
=GLDESC("Summarized text",indent,"Account range")
PS - This is really a Technical Support question so I will move it into that Forum.