purposefulness的用法和樣例：
例句
用作名詞 (n.)
- Shen Congwen advocated serious societal objective and individual aim for art and this purposefulness about art was the manifestation of his instrumentality rationale of art.
沈從文對藝術(shù)有著(zhù)嚴肅的社會(huì )目的與個(gè)人目的，這種藝術(shù)創(chuàng )造的目的性就是沈從文藝術(shù)工具理性的體現。
