Txhua hnub peb siv peb txhais tes sau, tuav tes nrog lwm tus, qhib qhov rooj thiab lwm yam dej num. Tag nrho cov kev ua ub no tsim ib puag ncig rau cov kab mob phem thiab kab mob. Tom qab COVID-19 tshwm sim, nws yog ib qho tseem ceeb uas yuav tsum siv cov tshuaj ntxuav tes hauv tsev, chaw ua haujlwm, thiab lwm qhov chaw pej xeem. Nws ua haujlwm zoo tshaj plaws ...
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