It means keeping your country's or your city's heritage alive.

这意味着让你的国家或你的城市的遗产保持活力。

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His advice includes keeping the airflow over your seat on the "low" position.

VOA: special.2009.07.14

It's actually better to spend a certain amount of time just keeping your body in good condition

其实花一定时间保持身体的良好状态更好，

健康生活 - SpeakingMax英语口语达人

Is keeping you a job, regardless of your sex orientation and human right, I'll place that a whole lot higher, the right to life?

撇开性取向问题不谈,这么说或许有点夸张，提供工作难道属于人权的一种吗？

普林斯顿公开课 - 人性课程节选

We are keeping your council tax down and we are keeping your petrol tax down.

BBC: David Cameron upbeat on East Midlands economy

Of course, there is usually criteria for scholarships and fellowships that includes keeping your grades up.

FORBES: Back to School: Scholarships and Fellowships

The dilemma with so many days off is keeping your timing at the plate.

WSJ: More snow forces postponement of Mets-Rockies game