When you get a new job, set an expiration date.

当你获得一份新的工作的时候，给它设定一个有效期限。

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If your server is Apache, use the ExpiresDefault directive to set an expiration date relative to the current date.

如果您的服务器Apache使用ExpiresDefault指令设置一个相对于当前日期的过期日期。

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To set an expiration date, go to the History section and ensure the box is checked by default for Firefox to remember visited pages for the last 20 days.

要设置过期日期，请转到 History 部分，并确保默认选择了允许 Firefox 记住最近 20 天内访问过的页面的选框。

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When a user creates a record in Google Person Finder, they are required to set an expiration date for that record.

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