reinvent the wheel

US /ˌriɪnˈvɛnt ði hwil/

UK /ˌri:inˈvent ðə hwi:l/

A2 初級
v.t./i.動詞 (及物/不及物)重複發明輪子 (做不必要的努力)
Why reinvent the wheel when there are already good solutions available?

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