是的，我们需要想出一个方法来提高莫高窟的销售额。
这样看来，捆绑销售成为莫高窟唯一的选择。[{'character': '这', 'pinyin': 'zhe4', 'highest pitch': 11.05, 'lowest pitch': 10.31, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '样', 'pinyin': 'iang4', 'highest pitch': 10.31, 'lowest pitch': 8.41, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '看', 'pinyin': 'kan4', 'highest pitch': 9.35, 'lowest pitch': 6.85, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '来', 'pinyin': 'lai2', 'highest pitch': 8.23, 'lowest pitch': 6.01, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.16}, {'character': '捆', 'pinyin': 'kuen2', 'highest pitch': 11.14, 'lowest pitch': 7.35, 'duration': 0.3, 'prosody hierarchy': 'null'}, {'character': '绑', 'pinyin': 'bang3', 'highest pitch': 11.21, 'lowest pitch': 6.41, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '销', 'pinyin': 'xiao1', 'highest pitch': 8.09, 'lowest pitch': 6.41, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '售', 'pinyin': 'shou4', 'highest pitch': 8.66, 'lowest pitch': 6.33, 'duration': 0.23, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.05}, {'character': '成', 'pinyin': 'cheng2', 'highest pitch': 7.52, 'lowest pitch': 6.78, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '为', 'pinyin': 'uei2', 'highest pitch': 8.26, 'lowest pitch': 6.29, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '莫', 'pinyin': 'mo4', 'highest pitch': 8.27, 'lowest pitch': 6.49, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '高', 'pinyin': 'gao1', 'highest pitch': 8.45, 'lowest pitch': 6.49, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '窟', 'pinyin': 'ku1', 'highest pitch': 13.59, 'lowest pitch': 8.26, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '唯', 'pinyin': 'uei2', 'highest pitch': 8.26, 'lowest pitch': 6.21, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '一', 'pinyin': 'i1', 'highest pitch': 10.35, 'lowest pitch': 7.8, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 10.07, 'lowest pitch': 7.94, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '选', 'pinyin': 'xvan3', 'highest pitch': 7.94, 'lowest pitch': 4.8, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '择', 'pinyin': 'ze2', 'highest pitch': 6.25, 'lowest pitch': 4.8, 'duration': 0.3, 'prosody hierarchy': '#4'}]