在过去几年中，外国品牌在中国市场的增长一直非常迅猛。
这都令自主品牌的压力骤增。[{'character': '这', 'pinyin': 'zhe4', 'highest pitch': 10.22, 'lowest pitch': 8.43, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '都', 'pinyin': 'dou1', 'highest pitch': 10.2, 'lowest pitch': 8.43, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '令', 'pinyin': 'ling4', 'highest pitch': 10.09, 'lowest pitch': 8.88, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '自', 'pinyin': 'zii4', 'highest pitch': 10.97, 'lowest pitch': 8.88, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '主', 'pinyin': 'zhu2', 'highest pitch': 9.82, 'lowest pitch': 9.0, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '品', 'pinyin': 'pin3', 'highest pitch': 9.27, 'lowest pitch': 5.79, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '牌', 'pinyin': 'pai2', 'highest pitch': 6.96, 'lowest pitch': 5.75, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.97, 'lowest pitch': 5.89, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '压', 'pinyin': 'ia1', 'highest pitch': 8.65, 'lowest pitch': 7.96, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '力', 'pinyin': 'li4', 'highest pitch': 8.59, 'lowest pitch': 6.82, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '骤', 'pinyin': 'zhou4', 'highest pitch': 8.9, 'lowest pitch': 6.43, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '增', 'pinyin': 'zeng1', 'highest pitch': 9.42, 'lowest pitch': 6.43, 'duration': 0.31, 'prosody hierarchy': '#4'}]