Kev noj cov rooj zaum hauv chaw ua haujlwm feem ntau yog tsom rau hauv peb pawg: ib qho yog kev yuav khoom lag luam; lwm qhov yog tsoomfwv yuav khoom; qhov thib peb yog kev yuav tsev kawm ntawv; plaub yog neeg tsev neeg (hauv chav kawm).
Tab sis tam sim no, qhov kev faib ua feem ntawm tsoom fwv yuav tsis loj txaus, thiab nws yog feem ntau yog concentrated nyob rau hauv cov neeg muas zaub, uas yog lub ntsiab lub zog.
