@PleasurableLearning

Get 10% off SuperMemo and everything in the store by using my link! You will also support my efforts while saving money :) 
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@SuperMemoVideo

16:00 Postpone by 365 days, or by 999 days are psychologically easier than Dismiss or Delete. Less anxiety!

@方潇湘

哥们你写成图文可能比视频更好。