This alone set them a challenge, since the area was subject to rigorous planning constraints.

因此这个地区在规划上要求非常严格，这一点给他们提出了挑战。

youdao

This alone set them a challenge, since the area was subject to rigorous planning constraints.

因此这个地区在规划上要求非常严格，这一点给他们提出了挑战。

youdao