我们的销售量正在下滑。
为挽回颓势，日系车企反应迅速。[{'character': '为', 'pinyin': 'uei4', 'highest pitch': 10.73, 'lowest pitch': 9.13, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '挽', 'pinyin': 'uan3', 'highest pitch': 9.13, 'lowest pitch': 5.5, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '回', 'pinyin': 'huei2', 'highest pitch': 10.01, 'lowest pitch': 5.82, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '颓', 'pinyin': 'tuei2', 'highest pitch': 10.01, 'lowest pitch': 6.29, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '势', 'pinyin': 'shiii4', 'highest pitch': 10.06, 'lowest pitch': 6.46, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.27}, {'character': '日', 'pinyin': 'riii4', 'highest pitch': 11.34, 'lowest pitch': 10.33, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '系', 'pinyin': 'xi4', 'highest pitch': 10.33, 'lowest pitch': 7.88, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '车', 'pinyin': 'che1', 'highest pitch': 9.47, 'lowest pitch': 7.88, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '企', 'pinyin': 'qi3', 'highest pitch': 8.69, 'lowest pitch': 5.18, 'duration': 0.37, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.1}, {'character': '反', 'pinyin': 'fan3', 'highest pitch': 7.66, 'lowest pitch': 5.64, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '应', 'pinyin': 'ing4', 'highest pitch': 9.15, 'lowest pitch': 6.12, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '迅', 'pinyin': 'xvn4', 'highest pitch': 11.45, 'lowest pitch': 8.2, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '速', 'pinyin': 'su4', 'highest pitch': 12.44, 'lowest pitch': 5.39, 'duration': 0.26, 'prosody hierarchy': '#4'}]