非工作时间段内，钥匙应存放在安全的地方。
Keys should be kept in a secure location during non-working hours.
很多公司经营的淘宝店，都标有明确的工作时间段。
A lot of companies run by Taobao, have marked the work of specific time period.
这张卡片被分割成十二分钟一个工作时间段，同时也是策划聚焦工作时间段的一个迅速和有效的方式。
The card is divided into 12 minute sections and is a quick and useful way to plan out a focused work period.
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