<prompt> Translate the following text to SwahiliSince these costs are variable in the long run and we do not know how other postal administrations deal with them, we parameterize them for purposes of modeling.  <response>: Kwa kuwa gharama hizi ni kutofautiana kwa muda mrefu na hatujui jinsi utawala mwingine wa posta kushughulika nao, sisi parameterize yao kwa madhumuni ya modeling. 