我们需要做些什么来应对当前的挑战？
下一次变革的号角已经吹响。[{'character': '下', 'pinyin': 'xia4', 'highest pitch': 11.34, 'lowest pitch': 9.36, 'duration': 0.3, 'prosody hierarchy': 'null'}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 9.36, 'lowest pitch': 8.14, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 9.48, 'lowest pitch': 7.61, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '变', 'pinyin': 'bian4', 'highest pitch': 9.48, 'lowest pitch': 6.88, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '革', 'pinyin': 'ge2', 'highest pitch': 7.38, 'lowest pitch': 6.88, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.66, 'lowest pitch': 7.2, 'duration': 0.09, 'prosody hierarchy': '#1'}, {'character': '号', 'pinyin': 'hao4', 'highest pitch': 9.38, 'lowest pitch': 6.71, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '角', 'pinyin': 'jiao3', 'highest pitch': 6.77, 'lowest pitch': 4.24, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '已', 'pinyin': 'i3', 'highest pitch': 7.08, 'lowest pitch': 5.8, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '经', 'pinyin': 'jing1', 'highest pitch': 8.8, 'lowest pitch': 5.8, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '吹', 'pinyin': 'chuei1', 'highest pitch': 10.07, 'lowest pitch': 8.77, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '响', 'pinyin': 'xiang3', 'highest pitch': 10.05, 'lowest pitch': 3.4, 'duration': 0.3, 'prosody hierarchy': '#4'}]