I went on a field trip to the chocholate factory for a change.하면
[우리는 기분전환으로 야외수업차 초코렛 공장에 갔다. ] 가 된다.
비슷한 표현에 I went on a class trip 가 있다.
A: What did you do in school today ?
B: I went on a field trip.
A: Did you ? Good for you ! Where did you go ?
B: I went to the Folk Village.
A: How was it ?
B: It was fantastic !