词组 | an ambulance at the bottom of a cliff |
释义 | an ambulance at the bottom of a cliffSomething that is helpful only after one is already injured or in trouble. The idea is that, while an ambulance at the bottom of a cliff can help people who fall off the cliff, a fence at the top would be more beneficial. Services like this, which only help kids once they've gotten into significant trouble, are like an ambulance at the bottom of a cliff. |
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