那是一个深秋的下午，梧桐树叶落了，缺月还没有升起，叶尽寒枝的凤凰尚可以在这里栖息，然而，路上行人稀少。
O O B-Metric I-Metric B-Time I-Time O B-Time I-Time O B-Thing I-Thing I-Thing I-Thing O O O B-Thing I-Thing O O O O O O B-Thing O O O O B-Thing I-Thing O O O O B-Location I-Location O O O O O O B-Location I-Location B-Person I-Person O O O