我们需要想办法提高利润。
就是利润越挤越薄，越挤越薄。[{'character': '就', 'pinyin': 'jiou4', 'highest pitch': 10.86, 'lowest pitch': 9.26, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 9.84, 'lowest pitch': 9.04, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'character': '利', 'pinyin': 'li4', 'highest pitch': 10.61, 'lowest pitch': 9.03, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '润', 'pinyin': 'ruen4', 'highest pitch': 9.34, 'lowest pitch': 8.34, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '越', 'pinyin': 've4', 'highest pitch': 11.34, 'lowest pitch': 8.17, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '挤', 'pinyin': 'ji3', 'highest pitch': 8.17, 'lowest pitch': 5.06, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '越', 'pinyin': 've4', 'highest pitch': 11.34, 'lowest pitch': 5.06, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '薄', 'pinyin': 'bao2', 'highest pitch': 9.63, 'lowest pitch': 5.78, 'duration': 0.33, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.11}, {'character': '越', 'pinyin': 've4', 'highest pitch': 11.34, 'lowest pitch': 9.3, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '挤', 'pinyin': 'ji3', 'highest pitch': 8.17, 'lowest pitch': 5.21, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '越', 'pinyin': 've4', 'highest pitch': 11.34, 'lowest pitch': 6.27, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '薄', 'pinyin': 'bao2', 'highest pitch': 9.63, 'lowest pitch': 5.12, 'duration': 0.33, 'prosody hierarchy': '#4'}]