Phineas & Ferb background w@llp@per

Phineas and Ferb are wondering what to do today, other than give Perry a bath. From behind the fence comes the roar of a race cars racing, and their dilemma is solved. They head to the 车库 to begin the upgrades to their mom's car. Candace walks by, engrossed in the need to take a new picture for her blog, for the current picture was already a whole week old. She poses and snaps the new picture; it appears exactly the same as the old one. It suddenly dawns on her that something is going on in the 车库 behind her so she zips over to investigate. Phineas and Ferb are part-way through converting...

The "Too Young" Line
Linda: Candace, seriously, isn't Phineas a little young to be a rollercoaster engineer?
Candace: Well, yes. Yes he is.

Ferb: 或者 你 could say "seize the day" was English for "carpe diem."
Phineas: Yes. Yes 你 could.

Ferb's Line
Ferb: Hmm, what assurance would we had that everyone else will also break into the song and do the same thing?

Phineas: I don't know. I think they probably will.
Ferb: Fair enough, I'm in.

Isabella: That was great, Phineas! So, what are 你 gonna do tomorrow?

Phineas: Well, 你 know what they say- carpe diem.
Isabella: Excuse me?
Phineas: Carpe diem. It's...