我想问问一道英语题,题目是这样的;Why was Dr Sun Yat-sen so important to Chin

Sun Zhongshan is a great pioneer of Chinese democratic revolution,the transformation of China's energy depletion in a lifetime to,in the history of the establishment of the indelible meritorious service,the political left for the successor to the precious heritage.
孙中山是中国伟大的民主革命先行者,为了改造中国耗尽毕生的精力,在历史上建立了不可磨灭的功勋,在政治上也为后继者留下珍贵遗产.
These three are enough!