<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.liu guangyao na qiao bing, wote mahudumu wa afya waliozaliwa 1990s, wamekuwa wapenzi kwa muda wa miaka miwili.  <response>: liu guangyao and qiao bing, both medical workers born in the 1990s, have been in love for more than 2 years. 