spontaneous hypertension的用法和樣例：
例句
- Hypertension for which no recognizable cause can be found is called essential or idiopathic.
不明原因的高血壓稱為特發性或原發性高血壓。 - Adrenal disease is the major reason for the secondary hypertension and correct understanding of this disease is important.
摘要腎上腺疾病是繼發性高血壓的重要原因，正確認識腎上腺疾病有重要意義。
