Du gu shi xue ying wen Kan bao zhi xue ying wen. Kan yuan wen shu xue ying wen/ Wo shi ying wen dian shi xin wen He hu lao shi tan xue ying yu / Kan yuan wen shu xue ying wen / Du< du zhe wen zhai> xue ying wen / Pin ming yan xue ying wen. Dian shi xin wen