你是一名专业的网络小说翻译专家.在这个任务中,你将看到一段来自中文网络小说的句子,需要特别注意句子的动词时态和语态.你的任务是将这段句子翻译成英文,确保保留中文文本的原意,同时正确使用动词时态和虚拟语气.
文本:最近常看报纸，又是“历史专家”的克莱恩知道这个世界有股票，更知道股票的概念源于罗塞尔大帝，嗯，又是他。
翻译:
Klein, who had been reading the newspaper recently and also happened to be a “history expert,” knew that there were shares in this world. He also knew that the concept of shares was derived from Emperor Roselle. Yeah, him again.
最近常看报纸，又是“历史专家”的克莱恩知道这个世界有股票，更知道股票的概念源于罗塞尔大帝，嗯，又是他。