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.
貧窮人家維系大家庭不是實(shí)踐理性作用的結果，主要出于價(jià)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(shū)的目的就在于證明純粹實(shí)踐理性的存在并由此來(lái)討論理性的實(shí)行能力。
