我们什么时候能试用这个产品？
它于九月中旬推出试用版本。[{'character': '它', 'pinyin': 'ta1', 'highest pitch': 10.02, 'lowest pitch': 9.53, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '于', 'pinyin': 'v2', 'highest pitch': 9.53, 'lowest pitch': 8.24, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '九', 'pinyin': 'jiou3', 'highest pitch': 8.91, 'lowest pitch': 5.85, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '月', 'pinyin': 've4', 'highest pitch': 7.63, 'lowest pitch': 6.05, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '中', 'pinyin': 'zhong1', 'highest pitch': 10.76, 'lowest pitch': 6.66, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '旬', 'pinyin': 'xvn2', 'highest pitch': 10.55, 'lowest pitch': 6.29, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'character': '推', 'pinyin': 'tuei1', 'highest pitch': 8.64, 'lowest pitch': 7.43, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '出', 'pinyin': 'chu1', 'highest pitch': 8.55, 'lowest pitch': 7.43, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '试', 'pinyin': 'shiii4', 'highest pitch': 11.1, 'lowest pitch': 8.35, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 9.95, 'lowest pitch': 6.05, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '版', 'pinyin': 'ban2', 'highest pitch': 5.85, 'lowest pitch': 5.34, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '本', 'pinyin': 'ben3', 'highest pitch': 6.89, 'lowest pitch': 4.8, 'duration': 0.27, 'prosody hierarchy': '#4'}]