unproductive

無的英語翻譯：

naught; nonexistence; not; nothing; without; lack; zero
【醫(yī)】 a-; leipo-; lipo-; non-

生產的英語翻譯：

give birth to a child; manufacture; produce; yield; production; parturition
procreation
【醫(yī)】 accouchement; birth; childbearing; childbirth; confinement; delivery
labor; parturition; partus; texis; tocus; travail
【經】 capacity; produce