原文：The message might be carried by word of mouth or it might be translated into signs cut on a stick or knots on a string according to a prearranged scheme or code.译文：消息可以通过口头传递，也可以按照事先约定好的方案或密码，将消息转换为刻在小木棍上的符号或系在绳上的绳结。√2.1.31