爱默生Ralph Waldo Emerson (美)爱默生(Ralph Waldo Emerson)著 (美)爱默生(Ralph Waldo Emerson)[著 (美)爱默生(Ralph Waldo Emerson)[著] (美)拉尔夫·沃尔多·爱默生(Ralph Waldo Emerson)著 (美)拉尔夫·瓦尔多·爱默生(Ralph Waldo Emerson)著 (美)拉尔夫·瓦尔多. 爱默生(Ralph Waldo Emerson)著