The rapidity with which some of the operations of those manufacturers are performed, exceeds what the human hand could, by those who had never seen them, be supposed capable of acquiring.

• 所以，在此等制造业中，有几种操作的迅速程度简直使人难于想象，如果你不曾亲眼见过，你决不会相信人的手能有这样大的本领。