expression
if you don't mind; if you like; if you're interested
A polite, casual invitation or suggestion. Used when offering something or proposing an activity, leaving the decision to the listener.
もしよかったら、一緒に映画を見に行きませんか。
If you like, would you like to go see a movie together?
もしよかったら、これを使ってください。
If you don't mind, please use this.