不过，他们的工作非常辛苦。
他们的收入普遍不高，扣除就业成本，就相差无几了。[{'character': '他', 'pinyin': 'ta1', 'highest pitch': 11.29, 'lowest pitch': 10.82, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '们', 'pinyin': 'men5', 'highest pitch': 11.29, 'lowest pitch': 9.52, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 9.86, 'lowest pitch': 8.92, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '收', 'pinyin': 'shou1', 'highest pitch': 9.74, 'lowest pitch': 8.92, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '入', 'pinyin': 'ru4', 'highest pitch': 9.31, 'lowest pitch': 7.56, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '普', 'pinyin': 'pu3', 'highest pitch': 7.75, 'lowest pitch': 5.38, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '遍', 'pinyin': 'bian4', 'highest pitch': 8.97, 'lowest pitch': 8.39, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '不', 'pinyin': 'bu4', 'highest pitch': 8.89, 'lowest pitch': 6.47, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '高', 'pinyin': 'gao1', 'highest pitch': 9.59, 'lowest pitch': 6.47, 'duration': 0.29, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.28}, {'character': '扣', 'pinyin': 'kou4', 'highest pitch': 9.46, 'lowest pitch': 7.08, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '除', 'pinyin': 'chu2', 'highest pitch': 7.4, 'lowest pitch': 6.27, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '就', 'pinyin': 'jiou4', 'highest pitch': 9.95, 'lowest pitch': 6.95, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '业', 'pinyin': 'ie4', 'highest pitch': 9.0, 'lowest pitch': 6.77, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '成', 'pinyin': 'cheng2', 'highest pitch': 8.72, 'lowest pitch': 6.08, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '本', 'pinyin': 'ben3', 'highest pitch': 9.19, 'lowest pitch': 3.82, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.17}, {'character': '就', 'pinyin': 'jiou4', 'highest pitch': 9.95, 'lowest pitch': 6.18, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '相', 'pinyin': 'xiang1', 'highest pitch': 8.86, 'lowest pitch': 6.32, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '差', 'pinyin': 'cha4', 'highest pitch': 9.2, 'lowest pitch': 6.43, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '无', 'pinyin': 'u2', 'highest pitch': 9.04, 'lowest pitch': 6.32, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '几', 'pinyin': 'ji3', 'highest pitch': 12.48, 'lowest pitch': 5.19, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 6.8, 'lowest pitch': 4.23, 'duration': 0.25, 'prosody hierarchy': '#4'}]