1. Few mathematical constructs seem as conceptually simple as that of randomness. 很少有数学结构在概念上像随机性那样简单。
2. Conceptually, e-commerce does not differ from well-known commercial offerings such as banking by phone, "mail order" catalogs, or sending a purchase order to supplier via fax. 从概念上讲，电子商务与众所周知的商业服务并无不同，后者的服务包括像电话银行、“邮购”目录，或通过传真向供应商发送采购订单等。
3. But conceptually it is very similar. 但在概念上它们很相似。
4. Conceptually, they are bundles of properties. 从概念上说，它们是属性的总和。
5. What is it not doing conceptually though? 可是有什么是没有做的？
