Don't lose your Chinese bank card.
Forget that in Canada you could get a new one in 15 minutes.
In China you will need to make 3 trips to the downtown branch.
You will need to submit 10 or so to be scrutinized by staff, who will ogle your crappy and inconsistent autograph.
You will piss off bank clients who think it's your fault you're taking so long.
Or that you lost yr card in the first place.
Which it was.