Kev ua haujlwm siab ntau lawm thiab cov khoom lag luam zoo, xa khoom sai thiab ua tiav tom qab - muag kev tiv thaiv, kev xaiv raug, kev xaiv zoo tshaj.
Lub tuam txhab no tuaj yeem ua tau raws li peb cov kev xav tau ntawm cov khoom lag luam thiab lub sijhawm xa khoom, yog li peb ib txwm xaiv lawv thaum peb muaj kev yuav khoom.