供给是否增加了？
李恩平称，存量供给进一步积累。[{'character': '李', 'pinyin': 'li3', 'highest pitch': 13.78, 'lowest pitch': 6.98, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '恩', 'pinyin': 'en1', 'highest pitch': 11.54, 'lowest pitch': 9.64, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '平', 'pinyin': 'ping2', 'highest pitch': 11.54, 'lowest pitch': 6.48, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '称', 'pinyin': 'cheng1', 'highest pitch': 9.18, 'lowest pitch': 7.9, 'duration': 0.32, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.36}, {'character': '存', 'pinyin': 'cuen2', 'highest pitch': 8.89, 'lowest pitch': 8.15, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '量', 'pinyin': 'liang4', 'highest pitch': 9.52, 'lowest pitch': 8.27, 'duration': 0.26, 'prosody hierarchy': '#1'}, {'character': '供', 'pinyin': 'gong1', 'highest pitch': 10.56, 'lowest pitch': 8.27, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '给', 'pinyin': 'ji3', 'highest pitch': 10.38, 'lowest pitch': 4.54, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'character': '进', 'pinyin': 'jin4', 'highest pitch': 11.14, 'lowest pitch': 9.71, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 9.71, 'lowest pitch': 6.7, 'duration': 0.09, 'prosody hierarchy': 'null'}, {'character': '步', 'pinyin': 'bu4', 'highest pitch': 7.49, 'lowest pitch': 6.33, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '积', 'pinyin': 'ji1', 'highest pitch': 7.42, 'lowest pitch': 6.33, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '累', 'pinyin': 'lei3', 'highest pitch': 7.17, 'lowest pitch': 3.44, 'duration': 0.34, 'prosody hierarchy': '#4'}]