put sb to the expense of sth / of doing sth | put sb to a lot of, etc. expense
to make sb spend money on sth :
Their visit put us to a lot of expense.
put sb to the expense of sth / of doing sth | put sb to a lot of, etc. expense
to make sb spend money on sth :
Their visit put us to a lot of expense.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005