purchase
问题（）is a process that consumers go through to purchase products or services over the Intern
（）isaprocessthatconsumersgothroughtopurchaseproductsorservicesovertheInternet.A.E-learni
问题（） is a process that consumers go through it to purchase products or services over the In
（）isaprocessthatconsumersgothroughittopurchaseproductsorservicesovertheInternet。A.E-lera