They'd have to search high and low to find a better speaker.

他们会到别处去找个更好的演讲者。

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Just a few years ago, Western expats had to search high and low for Christmas trees and decorations, or make sure they had a good supply from home.

就在几年前，旅居北京的老外还必须到处寻找诞树和装饰品，要么就得保证家乡有充足的后备供应。

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It's also now a primary tool used in the battle for natural search engine rankings by using content interwoven with relevant keywords to gain high results and low cost marketing.

如今，在线内容还成为了争取在自然搜索引擎中更高排名的首要工具，通过使用含相关关键词、彼此混杂的内容以实现良好的效果并降低营销成本。

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Overall, 17 U.S. states have high flu activity, 28 have moderate activity, and only five have low activity, according to the search engine.

CNN: Flu season picking up speed, tracking indicates

The search for low to mid-tier jobs could be the sector for online search, while the upscale and high-end employment search could be the focus of social networking organizations.

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