他依赖咖啡作为应对繁重工作的支撑。

He relies on coffee as a ___crutch to handle heavy workloads.

医生建议他在腿伤恢复期间使用拐杖。

The doctor advised him to use ___crutches while his leg injury heals.

她总是把购物当作心理慰藉，来逃避现实问题。

She uses shopping as a ___crutch to escape from real problems.