清人徐珂《清稗类钞》，言某生屡试不第，家中赤贫如洗，为生计，便在道旁建厕所一座，藉收粪以售资。
O O B-Person I-Person B-Abstract I-Abstract I-Abstract I-Abstract I-Abstract I-Abstract O O B-Person I-Person O O O O O B-Location I-Location O O O O O O O O O O O B-Location I-Location O B-Thing I-Thing O O O O O O O O O O