syndrome of deficiency of liver yin

例句：

1. 1. Thepatient was diagnosed with a syndrome of chronicfatigue.
   病人被诊断出患有慢性疲劳综合征。
2. 2. The researcher discovered a new syndromethat could explain the patient's symptoms.
   研究者发现了一种新的综合征，可以解释病人的症状。
3. 3. The syndrome is caused by a combinationof genetic and environmental factors.
   该综合征是由遗传因素和环境因素共同引起的。