english
1
general::
Phrase(s): go to the expense (of doing something) to pay the (large) cost of doing something. • I hate to have to go to the expense of painting the house. • It needs to be done, so you’ll have to go to the expense.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
see GO TO THE TROUBLE.
American Heritage Idioms