To arrange one's life so that the peak work period and the peak domestic upheaval happen at the same time is very poor planning indeed.
让工作的鼎盛时期与家庭变动最大的时期重合在一起，委实是十分糟糕的人生规划。
If you're going for an extended period of time or if you're planning to drink water you find along the way, bring along a filtering system or iodine water purification tablets.
如果你准备出行较长时间或者你打算在出行途中找到你要饮用的水，请带上过滤系统或是水质净化用碘片。
The concept of cutting tool life-cycle management was put forward, and divided it into four phases: planning period, input time, serviceable life and discarding period.
提出了刀具全生命周期管理的概念，将刀具全寿命周期管理划分为计划期、投入期、使用期、报废期四个阶段。
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