We had two major challenges: an ambitious schedule and long-term complexity.

我们面临两大挑战：一份很紧凑的时间表和长期的复杂性。

youdao

We had two major challenges: an ambitious schedule and long-term complexity.

我们面临两大挑战：一份很紧凑的时间表和长期的复杂性。

youdao