unthrifty
英 美
中文浪费的，不节约的
词根词源
unthrifty (adj.)late 14c., "unprofitable, useless," from un- (1) "not" + thrifty (adj.), or else from Middle English noun unthrift "profligacy," late 14c., earlier "evil practice, wicked act" (c. 1300).
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