Tips: in the use of air conditioning season, it is best to maintain a monthly boot usage.

友情提示：在不使用空调的季节，最好保持一个月开机一次的使用量。

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Maintain the vehicle in good condition on a daily, monthly and yearly basis.

使车辆时刻保持在良好的运行状态，进行每天、每月、每年的检查。

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Consider appointing a district technology committee or a district Web master to help distribute your monthly letters electronically and to help establish or maintain a district Web site.

考虑指派一个地区科技委员会或一位地区网路高手来协助您以电子邮件的方式发行总监月报，以及协助建立或维护一个地区网站。

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The traditional role of the committee is to maintain a monthly chronology, so the committee refers almost exclusively to monthly indicators.

CNN: The Business-Cycle Peak of March 2001