GwenStefanijoinsreturningcoachesKellyClarkson,JohnLegendandBlakeSheltonastheybegintheirsearchforthebestvoiceinAmericaonthefirstnightofblindauditions,vyingtodiscoverandcoachthenextsingingphenomenon.他把(bǎ )恒温系统(tǒng )装到翼人身上，果然提示有冲突，不能同时(shí )装这两(🍫)种(🥅)系(xì )统。