economizar en cosas importantes y derrochar en nimiedades

= penny wise, pound foolish

Ex. The article 'Penny wise, pound foolish' discusses the need to find a better solution to the overdue book problem than charging fines.

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= penny wise, pound foolish

Ex: The article 'Penny wise, pound foolish' discusses the need to find a better solution to the overdue book problem than charging fines.