Sentence Explanations 就买主而言,有那么多相 似种类、型号的竞争 产品,使购买者不知 所措。 3. There are so many competing models that in reality are substitutable as far as most would-be purchasers are concerned3. There are so many competing models that in reality are substitutable as far as most would-be purchasers are concerned. Sentence Explanations 就买主而言，有那么多相 似种类、型号的竞争 产品，使购买者不知 所措