我们必须提高展览的质量。
展品虽有，展员却颓。[{'character': '展', 'pinyin': 'zhan2', 'highest pitch': 11.67, 'lowest pitch': 7.86, 'duration': 0.32, 'prosody hierarchy': 'null'}, {'character': '品', 'pinyin': 'pin3', 'highest pitch': 11.67, 'lowest pitch': 5.71, 'duration': 0.26, 'prosody hierarchy': '#1'}, {'character': '虽', 'pinyin': 'suei1', 'highest pitch': 9.28, 'lowest pitch': 5.92, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 9.13, 'lowest pitch': 4.67, 'duration': 0.42, 'prosody hierarchy': '#2'}, {'character': '展', 'pinyin': 'zhan3', 'highest pitch': 8.43, 'lowest pitch': 6.05, 'duration': 0.3, 'prosody hierarchy': 'null'}, {'character': '员', 'pinyin': 'van2', 'highest pitch': 9.68, 'lowest pitch': 6.05, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '却', 'pinyin': 'qve4', 'highest pitch': 10.58, 'lowest pitch': 7.17, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '颓', 'pinyin': 'tuei2', 'highest pitch': 8.59, 'lowest pitch': 5.29, 'duration': 0.44, 'prosody hierarchy': '#4'}]