我需要了解招标人对于投标保证金的要求。
招标人不得挪用投标保证金。[{'character': '招', 'pinyin': 'zhao1', 'highest pitch': 11.0, 'lowest pitch': 10.72, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '标', 'pinyin': 'biao1', 'highest pitch': 11.19, 'lowest pitch': 10.09, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 10.09, 'lowest pitch': 7.07, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '不', 'pinyin': 'bu4', 'highest pitch': 9.69, 'lowest pitch': 7.88, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '得', 'pinyin': 'de2', 'highest pitch': 8.24, 'lowest pitch': 7.27, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '挪', 'pinyin': 'nuo2', 'highest pitch': 8.24, 'lowest pitch': 6.48, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 8.46, 'lowest pitch': 7.38, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '投', 'pinyin': 'tou2', 'highest pitch': 8.02, 'lowest pitch': 6.57, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '标', 'pinyin': 'biao1', 'highest pitch': 11.19, 'lowest pitch': 8.02, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '保', 'pinyin': 'bao3', 'highest pitch': 5.1, 'lowest pitch': 4.86, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '证', 'pinyin': 'zheng4', 'highest pitch': 8.02, 'lowest pitch': 4.86, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '金', 'pinyin': 'jin1', 'highest pitch': 10.18, 'lowest pitch': 6.76, 'duration': 0.28, 'prosody hierarchy': '#4'}]