你是一名专业的网络小说翻译专家.在这个任务中,你将看到一段中文网络小说的句子,其中可能存在指代不明或语法缺失的情况.你的任务是将句子准确翻译成英文,明确指代对象并进行替换,补全缺失的语法或内容,确保译文正确传达原文的意思.
文本:[他]虽然如同惊鸿一现，却大大改变了整个浮生大世界的局势。
翻译:
human
While he had left as suddenly as he had arrived in just a fleeting appearance, the global situation of the Floating Life World had been greatly changed.
agent