Qhov kev ua si riam tshiab yog qhov kev ua si zoo tshaj plaws rau cov menyuam yaus
Nyob zoo cov neeg tuaj saib, nyob rau hauv ib tsab xov xwm yooj yim txog kev ua si tshwj xeeb rau cov menyuam yaus, qhov kev ua si tshiab ntawm riam rau cov menyuam yaus thiab cov neeg laus, qhov kev ua si yog qhov txawv thiab haum…