Noun
involuntary upgrade; operational upgrade; free upgrade to business or first class on an overbooked flight
Also written インボランタリー・アップグレード
1 result for インボランタリーアップグレード
1 result for インボランタリーアップグレード
Noun
involuntary upgrade; operational upgrade; free upgrade to business or first class on an overbooked flight
Also written インボランタリー・アップグレード