frugalityn.
英 fruː'gælɪtɪ | 美 frʊ'gæləti
中文n. 俭省，节俭
词根词源
frugality (n.)1530s, "economy, thriftiness," from Middle French frugalité (14c.), from Latin frugalitatem (nominative frugalitas) "thriftiness, temperance, frugality," from frugalis (see frugal).
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