If you can't _ _ _ _ _ _ _ _ _ it , you can't control it , you can't measure it , and

If you can't $\_\_\_\_\_\_\_\_\_$ it$,$ you can't control it$,$ you can't measure it$,$ and you can't improve it$.$

If you can't $\_\_\_\_\_\_\_\_\_$ it$,$ you can't control it$,$ you can't measure it$,$ and you can't improve it$.$

define

see

increase