Macro ib puag ncig ntawm txoj ceev kev ua ub no. Phiv hloov nyob rau hauv lub macroeconomic puag ncig yuav inevitably coj txaus ntshai rau lub ceev ceev cov koom haum. Environmental ceev kev ua ub no yooj yim thiab lub variability, kev hloov nyob rau hauv lub sab nraud puag ncig tej zaum yuav nqa ib co sij hawm rau ceev cov koom haum kuj ua rau nws ntsib ib tug kev hem thawj. Yog hais tias koj tsis tau hloov mus rau txoj thiab hloov purchasing lwm ib puag ncig yog ua txhua yam los mus tsim teeb meem. Tam sim no, muaj ntau yam qhauj los tsim ib tug ceev tswj system, vim lub chaw nqis yog tsis tsim nyog, kev tswj zoo yog tsis siab, kev cai yog siv tsis tau, kev tswj infrastructure yog tsis zoo tag nrho thiab lwm yam yog vim li cas, uas ua rau neeg ceev tswj systems tsis muaj lub peev xwm hloov mus hloov nyob rau hauv lub sab nraud puag ncig thiab nyiaj kom dhau.
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