cooling-off period

Từ điển Oxford Advanced Learner 8th

ˌcooling-ˈoff period [cooling-off period] BrE NAmE noun
1. a period of time during which two sides in a disagreement try to reach an agreement before taking further action, for example by going on strike
2. a period of time after sb has agreed to buy sth, such as an insurance plan, during which they can change their mind
•Customers signing new life policies will have a longer cooling-off period of 14 days.