After you feel comfortable with the work productcomparison, you should next address the roles.
当你熟悉了工作产品的对比后，你应该开始确定角色。
2
A full and lengthy productcomparison is not feasible, and it would not be credible given the fact that this article is published on the site of a vendor of an XML database solution.
Whenever users wanted more information than the purchase path could provide, they had to take a navigational detour to an information-rich product details or comparison page.