实用性的英语翻译 实用性用英语怎么说

实用性

[词典] practicability;

[例句]作为知识的来源之一，理论叙述的作用在于可靠性和预见性，而不在于广泛性和实用性。

As a source of knowledge the strength of rational statements lies in reliability and predictability, but not in breadth or applicability.