With vast areas and multiple regions under a single Emperor, a systemized transmission of instructions to the officials, including those in the most remote areas, was imperative.

• 这个由皇帝一人主宰的帝国幅员辽阔，区域众多，必须建立一个信息传送体系才能保证皇帝的旨意能够传达到每一个官员，包括那些在最偏远地区任职的官员。