Day after day they journeyed up-stream, until, rounding a sudden bend, they beheld a bark lodge with a thin blue curl of smoke drifting from its roof.

日复一日，他们逆流而上，直到拐过一个急转弯，他们看到一间树皮小屋，房顶上飘出一缕缕蓝色的薄烟。