practical reason的用法和樣例：
例句
- The poor kept big families due to the value rationality, rather than the practical rationality.
貧窮人家維繫大家庭不是實踐理性作用的結果，主要出於價值理性的追求。 - Its business is to show that there is pure practical reason, and for this purpose it criticizes the entire practical faculty of reason.
這本書的目的就在於證明純粹實踐理性的存在並由此來討論理性的實行能力。
