spend, use (money, etc.) in doing sth
"The legislature expended its time on school questions"
The promoter had expended nearly $300,000 in securing the legislation.
出自： L. Steffens
He had expended much thought on the subject.
出自： P. G. Wodehouse
Freud expended much ink and energy trying to prove that artists are neurotics.
出自： C. Rycroft