我们是否能够扩大寄养计划的服务范围呢？
而家庭寄养计划的服务对象，以滞留时间较长的流浪儿为主。[{'character': '而', 'pinyin': 'er2', 'highest pitch': 9.46, 'lowest pitch': 7.99, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '家', 'pinyin': 'jia1', 'highest pitch': 11.02, 'lowest pitch': 8.43, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '庭', 'pinyin': 'ting2', 'highest pitch': 11.02, 'lowest pitch': 7.82, 'duration': 0.27, 'prosody hierarchy': '#1'}, {'character': '寄', 'pinyin': 'ji4', 'highest pitch': 10.55, 'lowest pitch': 8.85, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '养', 'pinyin': 'iang3', 'highest pitch': 9.44, 'lowest pitch': 5.6, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '计', 'pinyin': 'ji4', 'highest pitch': 10.55, 'lowest pitch': 6.22, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '划', 'pinyin': 'hua4', 'highest pitch': 7.95, 'lowest pitch': 6.2, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.12, 'lowest pitch': 5.93, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '服', 'pinyin': 'fu2', 'highest pitch': 7.89, 'lowest pitch': 5.93, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '务', 'pinyin': 'u4', 'highest pitch': 8.53, 'lowest pitch': 7.89, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '对', 'pinyin': 'duei4', 'highest pitch': 8.64, 'lowest pitch': 7.6, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '象', 'pinyin': 'xiang4', 'highest pitch': 8.9, 'lowest pitch': 6.26, 'duration': 0.32, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.26}, {'character': '以', 'pinyin': 'i3', 'highest pitch': 7.45, 'lowest pitch': 6.22, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '滞', 'pinyin': 'zhiii4', 'highest pitch': 9.85, 'lowest pitch': 6.22, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '留', 'pinyin': 'liou2', 'highest pitch': 9.57, 'lowest pitch': 8.43, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '时', 'pinyin': 'shiii2', 'highest pitch': 9.26, 'lowest pitch': 7.59, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '间', 'pinyin': 'jian1', 'highest pitch': 9.82, 'lowest pitch': 7.59, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '较', 'pinyin': 'jiao4', 'highest pitch': 10.36, 'lowest pitch': 7.53, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '长', 'pinyin': 'chang2', 'highest pitch': 7.53, 'lowest pitch': 5.68, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.12, 'lowest pitch': 6.64, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '流', 'pinyin': 'liou2', 'highest pitch': 9.57, 'lowest pitch': 5.61, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '浪', 'pinyin': 'lang4', 'highest pitch': 10.8, 'lowest pitch': 7.82, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '儿', 'pinyin': 'er2', 'highest pitch': 9.46, 'lowest pitch': 5.75, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '为', 'pinyin': 'uei2', 'highest pitch': 6.47, 'lowest pitch': 5.8, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '主', 'pinyin': 'zhu3', 'highest pitch': 6.81, 'lowest pitch': 2.79, 'duration': 0.33, 'prosody hierarchy': '#4'}]