✔ 最佳答案
what 's with the canadian flag on your backpack?
= what is the reason for the Canadian flag to be on your backpack?
or = what's that Canadian flag doing on your backpack?
[點解你背囊上有支加拿大國旗嘅?]
[你背囊上支加拿大國旗係要來做乜架?]
Respondent 001 has provided the answer to that question. Obviously, the question is intended to embarasss an American who puts a Canadian flag on his backpack in order to get more friendly treatment in countries where Americans are not well regarded.
2010-05-30 09:12:13 補充:
Correction: Last paragraph: "embarasss" should be "embarrass".