<prompt> Translate the following text to SwahiliAPHIS stated that the precise impacts of pork-product imports were difficult to predict because of the uncertainty as to how they would substitute for domestic andor foreign pork products.  <response>: APHIS ilisema kuwa athari halisi za uagizaji wa bidhaa za nyama ya nguruwe ni ngumu kutabiri kwa sababu ya kutokuwa na uhakika juu ya jinsi watakavyobadilisha bidhaa za nyama ya nguruwe za ndani na au za kigeni. 