亚马逊的竞争力真的很强。
所以说，亚马逊让谷歌寝食难安，也就不足为奇了。[{'character': '所', 'pinyin': 'suo2', 'highest pitch': 10.94, 'lowest pitch': 8.85, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '以', 'pinyin': 'i3', 'highest pitch': 10.94, 'lowest pitch': 8.19, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '说', 'pinyin': 'shuo1', 'highest pitch': 10.04, 'lowest pitch': 8.19, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.3}, {'character': '亚', 'pinyin': 'ia4', 'highest pitch': 11.07, 'lowest pitch': 10.06, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '马', 'pinyin': 'ma3', 'highest pitch': 10.06, 'lowest pitch': 5.8, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '逊', 'pinyin': 'xvn4', 'highest pitch': 9.81, 'lowest pitch': 6.24, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '让', 'pinyin': 'rang4', 'highest pitch': 7.68, 'lowest pitch': 6.1, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '谷', 'pinyin': 'gu3', 'highest pitch': 6.1, 'lowest pitch': 4.66, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '歌', 'pinyin': 'ge1', 'highest pitch': 7.67, 'lowest pitch': 7.17, 'duration': 0.21, 'prosody hierarchy': '#2'}, {'character': '寝', 'pinyin': 'qin3', 'highest pitch': 7.67, 'lowest pitch': 5.72, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '食', 'pinyin': 'shiii2', 'highest pitch': 8.07, 'lowest pitch': 5.98, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '难', 'pinyin': 'nan2', 'highest pitch': 8.17, 'lowest pitch': 6.35, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '安', 'pinyin': 'an1', 'highest pitch': 9.34, 'lowest pitch': 6.77, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.1}, {'character': '也', 'pinyin': 'ie3', 'highest pitch': 7.99, 'lowest pitch': 6.34, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '就', 'pinyin': 'jiou4', 'highest pitch': 7.3, 'lowest pitch': 6.17, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '不', 'pinyin': 'bu4', 'highest pitch': 8.12, 'lowest pitch': 7.21, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '足', 'pinyin': 'zu2', 'highest pitch': 7.7, 'lowest pitch': 6.53, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '为', 'pinyin': 'uei2', 'highest pitch': 7.84, 'lowest pitch': 6.7, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '奇', 'pinyin': 'qi2', 'highest pitch': 7.57, 'lowest pitch': 5.83, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 8.59, 'lowest pitch': 6.49, 'duration': 0.18, 'prosody hierarchy': '#4'}]