<prompt> Translate the following text to Swahili3 The hypothesis cannot, however, be directly confirmed because we do not have sufficient cost data on other countries to compare with the model results.  <response>: Hata hivyo, nadharia hii haiwezi kuthibitishwa moja kwa moja kwa sababu hatuna data ya kutosha ya gharama kwa nchi nyingine ili kulinganisha na matokeo ya mfano. 