✍ Definition: At the appropriate time or when necessary ⏰ ✅ Example: "We’ll address the issues as and when they arise. "
idiom UK ( US if and when ) at the time that something happens: اصطلاح، انگلیسی بریتانیایی هر زمانی که، هر از گاهی، هر وقت که We don't own a car - we just rent one as and when we need it.