<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.kanuni ya pesa inashauri kununua tu kile kitu unachohitaji na wala usihadaiwe na promosheni zisizokuwa na msingi.  <response>: the golden rule of sustainability is to consume only what you need, and to avoid all unnecessary purchases. 