ex·pend 
/ɪkˈspɛnd/ verb
ex·pends; ex·pend·ed; ex·pend·ing /ɪkˈspɛnd/ verb [+ obj] formal 1 : to use or spend (something)
▪ You can only lose weight by expending [=using, using up] more calories than you take in. ▪ expend [=spend] funds 2 : to use (time, energy, effort, etc.) for a particular purpose
▪ Are we willing to expend the time and resources required to solve the problem? — often + on ▪ We need to expend more time and resources on solving the problem. — sometimes followed by in + -ing verb ▪ We need to expend more time and resources in finding a solution to the problem.
▪ You can only lose weight by expending [=using, using up] more calories than you take in. ▪ expend [=spend] funds
▪ Are we willing to expend the time and resources required to solve the problem? — often + on ▪ We need to expend more time and resources on solving the problem. — sometimes followed by in + -ing verb ▪ We need to expend more time and resources in finding a solution to the problem.
