scenario

The emergency team practiced a scenario where a major earthquake hit the city during rush hour.

(Chinese) 应急小组演练了一种设想情况，即在高峰时段城市发生了大地震。

The best-case scenario is that the new product sells out in the first week of its release.

(Chinese) 最好的设想是，新产品在发布的第一周就售罄。