Store a single event that has a pattern in it and calculate on the fly any future event (for something like repeat forever, etc). Use cron patterns or even better RRULE stuff.
存储具有模式的单个事件，并随时计算任何未来事件（对于像永远重复的事情等）。
Store a single event that has a pattern in it and calculate on the fly any future event (for something like repeat forever, etc). Use cron patterns or even better RRULE stuff.
存储具有模式的单个事件，并随时计算任何未来事件（对于像永远重复的事情等）。
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