Thanks Kyle!I have worked out,the key point is to design 2 subforms:To
create a repeating subformIn the Hierarchy palette, select the parent
subform of the subform you want to repeat. (See About subforms.)In the
Object palette, click the Subform tab, and in the Content list, select
Flowed.Select the subform to repeat.In the Object palette, click the
Subform tab and, in the Content list, select either Positioned or
Flowed.Click the Binding tab and select Repeat Subform For Each Data
Item.To speci...