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Definition 2024

See also: 需要是發明之母

For pronunciation and definitions of 需要是发明之母 – see 需要是發明之母. (This term, 需要是发明之母, is the simplified form of 需要是發明之母.)
Notes: Simplified Chinese is mainly used in Mainland China and Singapore. Traditional Chinese is mainly used in Hong Kong, Macau and Taiwan.