portage
/ˈpɔ:tɪdʒ; `pɔrtɪdʒ/ n
1 [U] (cost of) carrying goods; carriage 搬运（费）; 运输.
2 (esp US)
(a) [U] carrying boats or goods overland between two rivers, lakes, etc, eg on a canoeing trip （两水路间的）陆运（将小船或货物从一水域经陆地运至另一水域之作业, 如乘小划子途中所需的）.
(b) [C] place where this is done （两水路间的）陆运区间.