前言：Central Perk， Joey没钱付账，向Chandler借钱。
Joey: Hey, Chan, can you help me out here? 1______.
Chandler: Oh, yeah, right, OK... inlcuding the waffles last week, you now owe me... 17 jillion dollars.
Joey: I will, really. I'll pay you back this time.
Chandler: (sigh)... And where's this money coming from? (gives money to Joey)
Joey: Well... I'm helping out down at the N.Y.U. Med School with some... research.
Ross: (overhearing) 2______?
Joey: Oh, just, y'know.... science.
Ross: Science. Yeah, I think I've heard of that. (everyone's interest is piqued, they all look over)
Joey: (sigh)... It's a fertility study.
Monica: Oh, Joey, please tell me you're only donating your time.
Joey: Alright, come on you guys, 3______. Really... I mean, 4______, and... make my contribution to the project. Hey, hey, but at the end of two weeks, I get seven hundred dollars.
Phoebe: Wow, ooh, you're gonna be making money hand over fist!
[!--audio--]I promise I'll pay you back
What kind of research
it's not that big a deal
I just go down there every other day