<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?meneja headlam: ni kweli, huu ndio mtambo wa mwisho katika kuchuja dhahabu; lakini sio kwamba tumeanza uzalishaji.  <response>: retention - this is the last stage of the funnel but is not really the ending of the funnel. 