我们必须证明这并非骗局。
为了赢得大家对这辆“免费车”的信任，艾尼瓦尔做了很多努力。[{'character': '为', 'pinyin': 'uei4', 'highest pitch': 10.7, 'lowest pitch': 10.09, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 10.09, 'lowest pitch': 8.04, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '赢', 'pinyin': 'ing2', 'highest pitch': 9.8, 'lowest pitch': 7.5, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '得', 'pinyin': 'de2', 'highest pitch': 9.68, 'lowest pitch': 8.02, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '大', 'pinyin': 'da4', 'highest pitch': 9.46, 'lowest pitch': 8.16, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '家', 'pinyin': 'jia1', 'highest pitch': 9.05, 'lowest pitch': 8.16, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '对', 'pinyin': 'duei4', 'highest pitch': 9.28, 'lowest pitch': 7.37, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '这', 'pinyin': 'zhe4', 'highest pitch': 8.88, 'lowest pitch': 7.37, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '辆', 'pinyin': 'liang4', 'highest pitch': 8.06, 'lowest pitch': 6.68, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '免', 'pinyin': 'mian3', 'highest pitch': 6.73, 'lowest pitch': 5.01, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '费', 'pinyin': 'fei4', 'highest pitch': 10.52, 'lowest pitch': 5.39, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '车', 'pinyin': 'che1', 'highest pitch': 9.23, 'lowest pitch': 8.37, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.37, 'lowest pitch': 7.48, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '信', 'pinyin': 'xin4', 'highest pitch': 8.83, 'lowest pitch': 7.07, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '任', 'pinyin': 'ren4', 'highest pitch': 7.38, 'lowest pitch': 5.39, 'duration': 0.25, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.47}, {'character': '艾', 'pinyin': 'ai4', 'highest pitch': 10.9, 'lowest pitch': 9.57, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '尼', 'pinyin': 'ni2', 'highest pitch': 10.14, 'lowest pitch': 9.25, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '瓦', 'pinyin': 'ua2', 'highest pitch': 10.84, 'lowest pitch': 8.9, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '尔', 'pinyin': 'er3', 'highest pitch': 10.84, 'lowest pitch': 4.33, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '做', 'pinyin': 'zuo4', 'highest pitch': 8.58, 'lowest pitch': 7.41, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 10.09, 'lowest pitch': 7.38, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '很', 'pinyin': 'hen3', 'highest pitch': 8.4, 'lowest pitch': 5.23, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 10.54, 'lowest pitch': 7.96, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '努', 'pinyin': 'nu3', 'highest pitch': 10.37, 'lowest pitch': 5.68, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '力', 'pinyin': 'li4', 'highest pitch': 7.72, 'lowest pitch': 5.68, 'duration': 0.24, 'prosody hierarchy': '#4'}]