典型的集群复制大概需要8秒钟左右，而我们允许1分钟的时间，以免系统时钟偏移。
A typical cluster replication is around eight seconds, and then we allow a minute more than that in case system clocks wander a bit.
通常人们需要花费一周左右的时间才能将他们的生物钟调整到一个新的时区，想想这种新的“食物时钟”可以帮助你在一天之内倒好时差，这真是难以置信。
It usually takes people a week to fully adjust to a new time zone or sleeping schedule. To think that this new "food clock" hack can help you change your internal clock in one day is mind boggling.
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