並前往https://www.studocu.com/en-us/document/texas-tech-university/german-for-graduate-research-germ-5303/102-1-1%E4%B8%AD%E6%A8%A1%E6%95%B8%E5%AD%B8%E8%A9%A6%E9%A1%8C-no/14382956
