你为什么要从安全做起？
周鸿祎为了做搜索，从安全做起，绕的圈更大。[{'character': '周', 'pinyin': 'zhou1', 'highest pitch': 11.06, 'lowest pitch': 10.62, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '鸿', 'pinyin': 'hong2', 'highest pitch': 10.63, 'lowest pitch': 6.84, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '祎', 'pinyin': 'i1', 'highest pitch': 10.19, 'lowest pitch': 8.47, 'duration': 0.3, 'prosody hierarchy': '#2'}, {'character': '为', 'pinyin': 'uei4', 'highest pitch': 9.97, 'lowest pitch': 8.53, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 8.53, 'lowest pitch': 7.1, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '做', 'pinyin': 'zuo4', 'highest pitch': 8.23, 'lowest pitch': 6.99, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '搜', 'pinyin': 'sou1', 'highest pitch': 9.45, 'lowest pitch': 6.99, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '索', 'pinyin': 'suo3', 'highest pitch': 14.33, 'lowest pitch': 7.76, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '从', 'pinyin': 'cong2', 'highest pitch': 8.25, 'lowest pitch': 7.27, 'duration': 0.27, 'prosody hierarchy': '#1'}, {'character': '安', 'pinyin': 'an1', 'highest pitch': 11.21, 'lowest pitch': 10.08, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '全', 'pinyin': 'qvan2', 'highest pitch': 11.21, 'lowest pitch': 5.94, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '做', 'pinyin': 'zuo4', 'highest pitch': 8.23, 'lowest pitch': 6.08, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '起', 'pinyin': 'qi3', 'highest pitch': 10.42, 'lowest pitch': 5.57, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.22}, {'character': '绕', 'pinyin': 'rao4', 'highest pitch': 10.75, 'lowest pitch': 7.88, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.88, 'lowest pitch': 6.61, 'duration': 0.1, 'prosody hierarchy': 'null'}, {'character': '圈', 'pinyin': 'qvan1', 'highest pitch': 10.05, 'lowest pitch': 6.61, 'duration': 0.27, 'prosody hierarchy': '#1'}, {'character': '更', 'pinyin': 'geng4', 'highest pitch': 10.73, 'lowest pitch': 8.82, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '大', 'pinyin': 'da4', 'highest pitch': 10.78, 'lowest pitch': 7.25, 'duration': 0.27, 'prosody hierarchy': '#4'}]