我们现在购买的量不够。
现在好了，一次买可以用上一年半载的量呗。[{'character': '现', 'pinyin': 'xian4', 'highest pitch': 11.38, 'lowest pitch': 9.38, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 9.89, 'lowest pitch': 7.85, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '好', 'pinyin': 'hao3', 'highest pitch': 8.28, 'lowest pitch': 4.78, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 6.58, 'lowest pitch': 4.78, 'duration': 0.22, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.3}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 10.98, 'lowest pitch': 8.86, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 11.85, 'lowest pitch': 10.34, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '买', 'pinyin': 'mai3', 'highest pitch': 10.34, 'lowest pitch': 4.82, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '可', 'pinyin': 'ke2', 'highest pitch': 9.14, 'lowest pitch': 8.77, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '以', 'pinyin': 'i3', 'highest pitch': 9.14, 'lowest pitch': 7.95, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 9.4, 'lowest pitch': 7.96, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 9.0, 'lowest pitch': 7.33, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 10.27, 'lowest pitch': 8.43, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 9.63, 'lowest pitch': 7.59, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '半', 'pinyin': 'ban4', 'highest pitch': 11.42, 'lowest pitch': 9.66, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '载', 'pinyin': 'zai3', 'highest pitch': 5.42, 'lowest pitch': 5.05, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 5.68, 'lowest pitch': 5.62, 'duration': 0.06, 'prosody hierarchy': '#1'}, {'character': '量', 'pinyin': 'liang4', 'highest pitch': 8.73, 'lowest pitch': 5.68, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '呗', 'pinyin': 'bei5', 'highest pitch': 7.71, 'lowest pitch': 6.78, 'duration': 0.23, 'prosody hierarchy': '#4'}]