我们应该采取什么措施来阻止野象“搬家”？
他们担心，野象“搬家”后可能重返。[{'character': '他', 'pinyin': 'ta1', 'highest pitch': 9.64, 'lowest pitch': 8.47, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '们', 'pinyin': 'men5', 'highest pitch': 8.49, 'lowest pitch': 7.12, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '担', 'pinyin': 'dan1', 'highest pitch': 9.06, 'lowest pitch': 7.12, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '心', 'pinyin': 'xin1', 'highest pitch': 9.28, 'lowest pitch': 8.81, 'duration': 0.33, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.18}, {'character': '野', 'pinyin': 'ie3', 'highest pitch': 8.18, 'lowest pitch': 6.5, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '象', 'pinyin': 'xiang4', 'highest pitch': 9.07, 'lowest pitch': 7.18, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '搬', 'pinyin': 'ban1', 'highest pitch': 9.75, 'lowest pitch': 9.4, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '家', 'pinyin': 'jia1', 'highest pitch': 10.31, 'lowest pitch': 9.45, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '后', 'pinyin': 'hou4', 'highest pitch': 13.65, 'lowest pitch': 7.74, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'character': '可', 'pinyin': 'ke3', 'highest pitch': 8.79, 'lowest pitch': 6.29, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '能', 'pinyin': 'neng2', 'highest pitch': 8.77, 'lowest pitch': 6.17, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '重', 'pinyin': 'chong2', 'highest pitch': 10.6, 'lowest pitch': 7.2, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '返', 'pinyin': 'fan3', 'highest pitch': 10.6, 'lowest pitch': 3.89, 'duration': 0.34, 'prosody hierarchy': '#4'}]