They were to be allowed to buy and rent property in the environs of Bangkok; namely, in the area more than four miles from city walls but less than twenty four hours' journey from the city (calculated at the speed of native boats).
他们獲准购买与租用曼谷附近地方的房地产；即距离城墙四英里以上，但是在距离城市二十四小时行程以下（以本地的小船的速度而算）的地区。