<prompt> Translate the following text to SwahiliLaibsons imperfect altruists face a far subtler problem--theyre not just weighing costs and benefits, theyre engaged in games of strategy against their future selves.  <response>: Altruists ya Laibson inakabiliwa na tatizo la hali ya chini zaidi: hawapimi tu gharama na faida, wanajihusisha na michezo ya mkakati dhidi ya nafsi zao za baadaye. 