回声河（Echo River） 游览， 是最有名的景点， 用来采取游客乘坐小船沿着地下河。
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以上来源于: WordNet
But no matter what they pull out of the river, and how often they catch something worth talking about, they all echo some version of the fisherman's lament.
WSJ: You Can't Get Seasick on a Park Bench
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