(1) Ua cov tuam txhab ua thawj coj, teb rau cov neeg siv khoom xav tau nrog "kev txhim kho zoo dua"
(2) Tau txais cov neeg siv khoom ntseeg nrog "txhim khu kev qha zoo thiab ci ntsa thawj-chav kawm cov khoom lag luam"
Nroog Usbat Tech. TSUAS muab cov khoom siv tsis tshua muaj xws li kev sib xyaw ua ke thiab cov pa roj carboninate xws li cov pa roj ntsha ua ke xws li cov pa roj av thiab cov roj av.
Yog tias "tsis muaj tus nqi yam tsis zoo" yog qhov zoo yog lub tuam txhab tseem ceeb rau cov neeg siv khoom.
Lub sijhawm, thev naus laus zis tau nce qib siab, thiab yog qhov tsim nyog tau hloov pauv, thiab nws tsis muaj kev tsim nyog los hais tias peb lub luag haujlwm kom ua tiav cov neeg siv khoom yog lub tuam txhab kev khav theeb.
Vim li ntawd, nws yog qhov tseem ceeb rau peb saib ua ntej kom hloov cov neeg siv khoom xav tau qhov zoo thiab tsis tu ncua "los ntawm kev txhim kho" txuas ntxiv ".
"Seb nws puas yog ib qho kev ua txhaum cai tsis paub cov neeg siv khoom?"
