消费者需要保持警惕，不轻易被价格联盟所欺骗。
对于价格串通，消费者可以用脚投票，让价格联盟难以得逞。[{'character': '对', 'pinyin': 'duei4', 'highest pitch': 9.86, 'lowest pitch': 8.16, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '于', 'pinyin': 'v2', 'highest pitch': 8.97, 'lowest pitch': 7.85, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '价', 'pinyin': 'jia4', 'highest pitch': 11.19, 'lowest pitch': 8.19, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '格', 'pinyin': 'ge2', 'highest pitch': 8.19, 'lowest pitch': 6.49, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '串', 'pinyin': 'chuan4', 'highest pitch': 8.72, 'lowest pitch': 6.28, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '通', 'pinyin': 'tong1', 'highest pitch': 7.97, 'lowest pitch': 6.5, 'duration': 0.22, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.1}, {'character': '消', 'pinyin': 'xiao1', 'highest pitch': 8.7, 'lowest pitch': 6.92, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '费', 'pinyin': 'fei4', 'highest pitch': 8.51, 'lowest pitch': 5.68, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '者', 'pinyin': 'zhe3', 'highest pitch': 6.47, 'lowest pitch': 4.86, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '可', 'pinyin': 'ke2', 'highest pitch': 8.66, 'lowest pitch': 7.99, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '以', 'pinyin': 'i3', 'highest pitch': 10.38, 'lowest pitch': 6.6, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 10.67, 'lowest pitch': 7.39, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '脚', 'pinyin': 'jiao3', 'highest pitch': 8.2, 'lowest pitch': 7.05, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '投', 'pinyin': 'tou2', 'highest pitch': 5.87, 'lowest pitch': 4.95, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '票', 'pinyin': 'piao4', 'highest pitch': 9.27, 'lowest pitch': 5.52, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.22}, {'character': '让', 'pinyin': 'rang4', 'highest pitch': 7.87, 'lowest pitch': 6.34, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '价', 'pinyin': 'jia4', 'highest pitch': 11.19, 'lowest pitch': 6.16, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '格', 'pinyin': 'ge2', 'highest pitch': 8.19, 'lowest pitch': 6.16, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '联', 'pinyin': 'lian2', 'highest pitch': 7.06, 'lowest pitch': 5.72, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '盟', 'pinyin': 'meng2', 'highest pitch': 7.43, 'lowest pitch': 5.9, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '难', 'pinyin': 'nan2', 'highest pitch': 9.44, 'lowest pitch': 6.29, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '以', 'pinyin': 'i3', 'highest pitch': 10.38, 'lowest pitch': 6.39, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '得', 'pinyin': 'de2', 'highest pitch': 6.55, 'lowest pitch': 5.62, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '逞', 'pinyin': 'cheng3', 'highest pitch': 6.32, 'lowest pitch': 2.99, 'duration': 0.37, 'prosody hierarchy': '#4'}]