<prompt> Translate the following text to EnglishBarua za posta zinazotumiwa na watu wasio wa nyumbani kulipa bili zao na kutuma bili kwa watu wengine wasio wa nyumbani hazijulikani na hazijumuishwa katika barua za bili na malipo.  <response>: , mail used by non-households to pay their bills and send bills to other non-households is unknown and is not included in billpayment mail. 