Lub qhov rooj hluav taws nrog lub laub pas nrig tuaj yeem ncav cuag qhov xwm txheej sab hauv mus rau lub laub pas nrig qhib lub qhov rooj thiab ib txhij tso lub tswb kom ua tiav txoj haujlwm ntawm kev khiav tawm sab hauv thiab sab nraud tiv thaiv tub sab. Lub qhov rooj tua hluav taws nrog lub laub pas nrig yog tsim rau kev tswj cov dej ntws ntawm cov neeg nyob hauv cov tsev pej xeem, tiv thaiv tsis tau tso cai thiab tiv thaiv kev ua tub sab.

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