<prompt> Translate the following text to SwahiliThis can be done through worksharing discounts or contracts and is especially effective when mailers can do the work in a different way than the Postal Service.  <response>: Hii inaweza kufanywa kupitia punguzo la kushiriki kazi au mikataba na ni ufanisi hasa wakati wauzaji wa barua wanaweza kufanya kazi kwa njia tofauti na Huduma ya Posta. 