You can therefore evolve a spec with new elements and constraints without impacting or forcing a migration of product data.

因此，您可以使用新的元素和约束来使spec发生演变，而不会对产品数据产生影响或实施迁移。

youdao

You can therefore evolve a spec with new elements and constraints without impacting or forcing a migration of product data.

因此，您可以使用新的元素和约束来使spec发生演变，而不会对产品数据产生影响或实施迁移。

youdao