我们应该找一个专门的导乘员。
乘客对车上负责讲解的导乘员普遍表示满意。[{'character': '乘', 'pinyin': 'cheng2', 'highest pitch': 9.45, 'lowest pitch': 8.09, 'duration': 0.29, 'prosody hierarchy': 'null'}, {'character': '客', 'pinyin': 'ke4', 'highest pitch': 11.02, 'lowest pitch': 9.51, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '对', 'pinyin': 'duei4', 'highest pitch': 10.09, 'lowest pitch': 7.88, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '车', 'pinyin': 'che1', 'highest pitch': 9.29, 'lowest pitch': 7.88, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 9.63, 'lowest pitch': 8.1, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '负', 'pinyin': 'fu4', 'highest pitch': 9.6, 'lowest pitch': 7.76, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '责', 'pinyin': 'ze2', 'highest pitch': 8.34, 'lowest pitch': 7.76, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '讲', 'pinyin': 'jiang2', 'highest pitch': 9.66, 'lowest pitch': 6.99, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '解', 'pinyin': 'jie3', 'highest pitch': 9.66, 'lowest pitch': 5.89, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 6.43, 'lowest pitch': 5.89, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '导', 'pinyin': 'dao3', 'highest pitch': 6.87, 'lowest pitch': 4.98, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '乘', 'pinyin': 'cheng2', 'highest pitch': 9.45, 'lowest pitch': 5.03, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '员', 'pinyin': 'van2', 'highest pitch': 8.25, 'lowest pitch': 5.87, 'duration': 0.34, 'prosody hierarchy': '#2'}, {'character': '普', 'pinyin': 'pu3', 'highest pitch': 7.45, 'lowest pitch': 6.17, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '遍', 'pinyin': 'bian4', 'highest pitch': 10.62, 'lowest pitch': 9.21, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '表', 'pinyin': 'biao3', 'highest pitch': 8.96, 'lowest pitch': 5.73, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '示', 'pinyin': 'shiii4', 'highest pitch': 8.07, 'lowest pitch': 5.87, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '满', 'pinyin': 'man3', 'highest pitch': 7.35, 'lowest pitch': 4.61, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '意', 'pinyin': 'i4', 'highest pitch': 6.97, 'lowest pitch': 4.78, 'duration': 0.27, 'prosody hierarchy': '#4'}]