So we have not yet cracked the problem of making it available as a rescue device, as a vending device during the floods in eastern India, when you have to deliver things to people in different islands where they're marooned.
所以我们要改正这个把它做成 一种救援设备的问题， 在东印度的洪水中作为销售设备， 当你需要运输物资给 分散在不同岛上被 放逐的人。