The TOEFL and GRE online registration sites offer test takers a drop-down list of countries. User-friendly menus help test takers quickly identify the test center location of their choice.

托福和GRE考试的在线报名网站可为考生提供各国的考试地点列表的下载服务，并通过友好界面来帮助考生快速确认他们可选择的考试中心地址。

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In the consumer-driven market for classified advertising, for instance, ordinary people instinctively grasped the efficiencies of online sites such as Craigslist, thus causing a drop in classified revenues at newspapers.

ECONOMIST: Internet advertising