Ua ntej ntawm tag nrho cov, koj yuav tsum paub dab tsi cov kev cai tshwj xeeb ntawm pwm yog, zoo tib yam, kub tsis kam, tes nteg, los yog nqus cov txheej txheem, puas muaj tej yam tshwj xeeb yuav tsum tau rau qhov hnyav los yog kev ua tau zoo?Obviously, lub zog sib xyaw thiab cov khoom siv ntawm cov iav fiber ntau sib txawv ...
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