It is a mystery how things ever get to their destination at this rate; and to see the barges waiting their turn at a lock, affords a fine lesson of how easily the world may be taken.

照这样的速度，货物究竟怎样抵达目的地，简直是个谜；看着驳船在船闸前依次等候，便能好好学上一课：原来世事也可以如此从容应对。