If you buy a used car without testing it, you're buying a pig in a poke.买二手车不检查一下的话，可真是瞎买一通。The lack of financial detail means people are being asked to vote for a pig in a poke.不提供财务细节就是让人们盲目投票。When they bought that house, they bought a pig in a poke.那所房子是在他们未曾过目的情况下随便买下的。