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nonfeasancen.

英 nɒn'fiːz(ə)ns | 美 ,nɑn'fizəns
中文n. (义务等的)未履行
词根词源
nonfeasance (n.)also non-feasance, "failure to do what should be done," 1590s, from non- + feasance.
关键词
nonfeasance