"painstakingly developed" — Collocation dictionary inglés

Automatic translation (We do not guarantee its correctness): skrupulatnie rozwinąć
  1. develop verbo + painstakingly adverbio
    Very loose collocation

    Establishing a farm board and possibly an agricultural district in Westchester, where zoning laws are both plentiful and painstakingly developed, could be a challenge, state officials say.