消费者必须能快速而且高效的完成任务。
Consumers must be able to complete tasks quickly and efficiently.
欧林：我已经用上了你关于如何快速写作的心得，他们不仅有用，而且它们让我的写作更加自信和高效。
Ollin: I've used your tips on how to write faster, and not only do they work, but they've made me a more confident and efficient writer.
RSS订阅是一种快速高效阅读新闻和博客的方法，而且不用担心垃圾邮件。
RSS feeds are a spam-free, quick and efficient way toread news and weblogs.
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