原
Xav tau 2021 rov qab mus rau lub tswv yim txhawb tsev kawm ntawv? Saib tsis muaj ntxiv lawm. Txawm hais tias koj tsis muag cov khoom siv hauv tsev lossis khaub ncaws, muaj ntau txoj hauv kev uas koj tuaj yeem nyiam rov qab mus rau cov tub lag luam hauv tsev kawm ntawv rau koj cov khoom lag luam thiab kev pabcuam thiab nce koj kev muag khoom. Siv cov no rov mus rau tsev kawm ntawv POS sawv los pab koj li kev lag luam me kom tau txais txiaj ntsig ntawm ib lub caij muag khoom loj tshaj plaws ntawm lub xyoo.
