奚爾 ((Schier, Joseph))

STEP BY STEP聽懂CNN = Master listening with CNN news by: Hansen, Eric; Nienhuis, Doug; Schier, Joseph; 奈恩惠斯 ((Nienhuis, Doug)); 奚爾 ((Schier, Joseph)); 王琳詔; 陳豫弘; 韓生 ((Hansen, Eric)) (Language materials, printed) , [英文編輯]