Shen me shi ying yong yu yan xue = Ying yu- ying yong yu yan xue De yu pian zhang yu yan xue = Ying yong yu yan xue Jian ming tong ji li xue = Lao nian shi yong yang sheng xue / Wen bi shi yong ying yu/ Shen me shi shi shang she ji yu ce = Shen me shi ying yong yu yan xue =: What is applied linguistics / Li ya ge shi ying yi lun yu zhi yan jiu/