Hauv qab no yog daim ntawv qhia txog kev ua haujlwm txhua hli rau xyoo kawm ntawv. Cov tub ntxhais kawm yuav tsum tau mus nrog lawv lub tsev kawm ntawv tus kws saib xyuas thoob ntiaj teb ua ntu zus rau kev hloov tshiab.
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