fall·back
noun/ˈfɔːlbæk/
/ˈfɔːlbæk/
- a plan or course of action that is ready to be used in an emergency if other things fail
应变计划；退路 - What's our fallback if they don't come up with the money?
要是他们拿不出钱，我们如何应变？ - We need a fallback position if they won't do the job.
如果他们不干这个工作，我们就需要一个应变的方案。
- What's our fallback if they don't come up with the money?