英和和英

spend less

decrease in consumption

fewer

to reduce a quantity

to curtail

reduced [increased] consumption

less expensive

to reduce something

the act of reducing something

to reduce things, one after another

much less

much less

to make expendables wear out

wear away

less than zero

spend thoughtlessly

pay too little

reduce proportionally

to reduce one's use of electricity in order to save money

the least amount

the action of a quantity becoming smaller

to decrease something little by little

in a thrifty manner

to practice economy

to reduce

to decrease

to decrease

to reduce the expenditures―retrench the expenses―curtail the expenses―cut down expenses

the act of becoming less

the act of causing to become less