Joey: Hey, Charlie!

Rachel: Hey.

Charlie: Hi, hi. So.. Dreading this?

Rachel: Oh, you bet.

Joey: So, did you bring a little something for Ross?

Charlie: Actually.. It’s stuff you left at my apartment.

Joey: Oh. Oh, thanks.

Charlie: And you know, you can just give me my stuff whenever you want.

Joey: Yeah, I didn’t throw any of that out..

Explanation:

you bet!   spoken   used to emphasize that you agree with someone or are keen to do what they suggest :

‘Going to the party on Saturday?’ ‘You bet!’

“شنبه به جشن میری؟”

“حتما. شک نکن.“