single cause的用法和樣例：
例句
- Many theories purport to explain growth in terms of a single cause.
許多理論都標榜以單一的原因解釋生長。 - Such a taxation system which featured colonialism led to the establishment of an abnormal single - structured economy in French Indochina.
這一具有濃厚殖民主義色彩的稅收體制是法屬印度支那畸形單一經濟結構形成的主要原因之一。
