八、文书的“探投”在前一章《关于“捐马飞递”》中,谈及驿站封上所判明的诸种递文方式中,有“沿途探投”一种。在抄行于道光年间传为乾隆朝庄有恭所撰的《编途论》中,也谈及诸多移封中有“专马沿途探投”—种。与诸“递”相比,“探投”的公文不是很多,但递送难度较大。所谓“探”,即“企图发现”,带有未知的成份,所 Eight, instruments of “exploration and investment” In the previous chapter “on the” donation horse fly delivery “, talked about the post closure on the various types of delivery methods, there is” a probe “along the way. In the copy of the Daoguang years pass to Qianlong Zhuang Gong Christine by the editor of ”editor-in-chief“, also talked about a lot of shifting in the ”special horse along the way to cast“ - kind. Compared with the ”delivery“, ”exploration and investment“ is not a lot of official documents, but delivery is more difficult. The so-called ”exploration“, that is, ”attempt to find" with unknown ingredients