【单选题】When buyers are not so familiar with the new products or not so convinced by the reputation of the seller, they will make an initial attempt by ordering a small quantity of certain products, which is ...
【单选题】When buyers are not so familiar with the new products or not so convinced by the reputation of the seller, they will make an initial attempt by ordering a small quantity of certain products, which is ...
【单选题】When buyers are not so familiar with the new products or not so convinced by the reputation of the seller, they will make an initial attempt by ordering a small quantity of certain products, which is ...