我们可以提高产品的质量和售后服务。
如何增强消费者对于国产品牌的信心？[{'character': '如', 'pinyin': 'ru2', 'highest pitch': 10.97, 'lowest pitch': 8.7, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '何', 'pinyin': 'he2', 'highest pitch': 10.95, 'lowest pitch': 9.0, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '增', 'pinyin': 'zeng1', 'highest pitch': 9.9, 'lowest pitch': 9.67, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '强', 'pinyin': 'qiang2', 'highest pitch': 9.81, 'lowest pitch': 6.69, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '消', 'pinyin': 'xiao1', 'highest pitch': 9.85, 'lowest pitch': 8.19, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '费', 'pinyin': 'fei4', 'highest pitch': 9.69, 'lowest pitch': 6.68, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '者', 'pinyin': 'zhe3', 'highest pitch': 7.07, 'lowest pitch': 4.77, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '对', 'pinyin': 'duei4', 'highest pitch': 8.62, 'lowest pitch': 7.2, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '于', 'pinyin': 'v2', 'highest pitch': 8.32, 'lowest pitch': 6.94, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '国', 'pinyin': 'guo2', 'highest pitch': 10.52, 'lowest pitch': 8.78, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '产', 'pinyin': 'chan2', 'highest pitch': 10.52, 'lowest pitch': 9.89, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '品', 'pinyin': 'pin3', 'highest pitch': 8.57, 'lowest pitch': 5.56, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '牌', 'pinyin': 'pai2', 'highest pitch': 6.1, 'lowest pitch': 5.61, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.01, 'lowest pitch': 5.61, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '信', 'pinyin': 'xin4', 'highest pitch': 8.89, 'lowest pitch': 7.41, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '心', 'pinyin': 'xin1', 'highest pitch': 9.23, 'lowest pitch': 7.41, 'duration': 0.29, 'prosody hierarchy': '#4'}]