<prompt> Translate the following text to SwahiliSecond, it is argued that delivery is a natural monopoly and that legal protection is necessary to prevent cream skimming and thereby to maximize the benefit of the universal delivery system.  <response>: Kwa upande mwingine, ni madai kwamba utoaji ni monopoly ya asili na kwamba ulinzi wa kisheria ni muhimu ili kuzuia cream skimming na hivyo kuongeza faida ya mfumo wa utoaji wa ulimwengu. 