这是一笔不错的买卖。
购房合同摆在桌上，买家胡兵迟疑片刻，咬了咬嘴唇，签名成交。[{'character': '购', 'pinyin': 'gou4', 'highest pitch': 10.92, 'lowest pitch': 9.4, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '房', 'pinyin': 'fang2', 'highest pitch': 9.65, 'lowest pitch': 8.56, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '合', 'pinyin': 'he2', 'highest pitch': 9.39, 'lowest pitch': 7.08, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '同', 'pinyin': 'tong4', 'highest pitch': 9.59, 'lowest pitch': 7.76, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '摆', 'pinyin': 'bai3', 'highest pitch': 7.48, 'lowest pitch': 5.09, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 6.57, 'lowest pitch': 6.03, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '桌', 'pinyin': 'zhuo1', 'highest pitch': 9.68, 'lowest pitch': 8.39, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 9.5, 'lowest pitch': 6.23, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.26}, {'character': '买', 'pinyin': 'mai3', 'highest pitch': 7.5, 'lowest pitch': 5.39, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '家', 'pinyin': 'jia1', 'highest pitch': 8.56, 'lowest pitch': 5.39, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '胡', 'pinyin': 'hu2', 'highest pitch': 8.33, 'lowest pitch': 6.74, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '兵', 'pinyin': 'bing1', 'highest pitch': 9.32, 'lowest pitch': 6.98, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '迟', 'pinyin': 'chiii2', 'highest pitch': 9.16, 'lowest pitch': 8.42, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '疑', 'pinyin': 'i2', 'highest pitch': 9.16, 'lowest pitch': 7.56, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '片', 'pinyin': 'pian4', 'highest pitch': 8.59, 'lowest pitch': 6.4, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '刻', 'pinyin': 'ke4', 'highest pitch': 7.82, 'lowest pitch': 6.18, 'duration': 0.23, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.25}, {'character': '咬', 'pinyin': 'iao3', 'highest pitch': 7.87, 'lowest pitch': 6.81, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 9.76, 'lowest pitch': 6.86, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '咬', 'pinyin': 'iao2', 'highest pitch': 10.57, 'lowest pitch': 9.29, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '嘴', 'pinyin': 'zuei3', 'highest pitch': 9.2, 'lowest pitch': 4.15, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '唇', 'pinyin': 'chuen2', 'highest pitch': 8.38, 'lowest pitch': 4.15, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '签', 'pinyin': 'qian1', 'highest pitch': 8.84, 'lowest pitch': 6.92, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '名', 'pinyin': 'ming2', 'highest pitch': 7.02, 'lowest pitch': 6.4, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '成', 'pinyin': 'cheng2', 'highest pitch': 7.17, 'lowest pitch': 5.74, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '交', 'pinyin': 'jiao1', 'highest pitch': 8.28, 'lowest pitch': 6.52, 'duration': 0.29, 'prosody hierarchy': '#4'}]