Instead, the best strategy is to use the agent as a kind of tip service to keep abreast of jobs in a particular database;

相反，最佳的策略是把代理当作一种提示服务来及时跟踪某一资料库里的工作岗位信息。

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The company says it hasn't yet turned a profit, CEO Eric Liu said, but he hopes police departments that currently get its service for free will later sign up for paid premium services and upgrades, such as a secured anonymous tip service through the Web.

MSN: Police embrace emerging social media tool

Why would I leave a big tip on clearly lackluster service?

FORBES: Transparency Is The Key To Leadership

Lew began his government service in the 1980s as an aide to House Speaker Tip O'Neill.

NPR: Senate Confirms Lew As Treasury Secretary