The phrase "to need another element" means that something is missing or lacking, and something else is required to complete or improve it. Full definition
Not only did ancestral women need to build and sustain muscle, but they also needed some element of fat storage in order to support biological functions. (drhardick.com)
So the bulk of the funding for any increase in placements will need to be found from the additional needs element of the formula. (schoolfinancialsuccess.com)
Modern kitchen ideas need some elements that we must do such as color of the wall, furniture like cabinets, home appliances and countertop. (decorationchannel.com)