我们需要捐献骨髓吗？
中华骨髓库不留分文。[{'character': '中', 'pinyin': 'zhong1', 'highest pitch': 11.3, 'lowest pitch': 10.79, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '华', 'pinyin': 'hua2', 'highest pitch': 10.95, 'lowest pitch': 8.12, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '骨', 'pinyin': 'gu2', 'highest pitch': 10.23, 'lowest pitch': 8.12, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '髓', 'pinyin': 'suei3', 'highest pitch': 10.13, 'lowest pitch': 5.61, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '库', 'pinyin': 'ku4', 'highest pitch': 12.04, 'lowest pitch': 5.62, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.09}, {'character': '不', 'pinyin': 'bu4', 'highest pitch': 8.41, 'lowest pitch': 7.39, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '留', 'pinyin': 'liou2', 'highest pitch': 7.39, 'lowest pitch': 6.08, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '分', 'pinyin': 'fen1', 'highest pitch': 9.6, 'lowest pitch': 7.18, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '文', 'pinyin': 'uen2', 'highest pitch': 9.41, 'lowest pitch': 6.36, 'duration': 0.35, 'prosody hierarchy': '#4'}]