The coarse, and still more the precious metals, when separated from the ore, are so valuable, that they can generally bear the expense of a very long land, and of the most distant sea carriage.

粗金属，尤其是贵重金属，当从矿石中分离出来时，价值如此之高，通常可以承受很长的陆地和最远的海上运输的费用。