威廉·巴特勒·叶芝William Butler 威廉·巴特勒·叶芝William Butler Yeats （爱尔兰）威廉·巴特勒·叶芝（William Butler (爱尔兰)威廉·巴特勒·叶芝(William Butler Yeats)著 (爱尔兰)威廉·巴特勒·叶芝(William Butles Yeats)著