0429_"to plug in" (NOT electricity!)

0429 Daily Easy English Expression PODCAST—"to plug in" (NOT electricity!)
中譯/中文意思: 穿插(任務)
Dialog at: 2:41 and 4:29

A: I’m getting fat.
B: You need to plug in an hour a day of exercise.
A: Ugh… I’m too lazy.
B: Then enjoy your fatness!