<prompt> Translate the following text to SwahiliEstimating benefits for visibility is a more difficult and less precise exercise than estimating health benefits because the endpoints are not directly or indirectly valued in markets.  <response>: Kutathmini faida kwa ajili ya kuonekana ni zoezi ngumu zaidi na chini ya sahihi kuliko kukadiria faida ya afya kwa sababu endpoints si moja kwa moja au kwa njia isiyo ya moja kwa moja thamani katika masoko. 