把《思考，快与慢》读成 21 个清晰行动。

Daily Check-in · 每日打卡

• Summarize in your own words, at least 3 sentences.
  用自己的话总结，至少3句话。
• 1 new word / phrase + your own example sentence.
  1个新词/短语 + 自己造的例句。
• Choose and answer 1 topic question.
  选择回答1个主题问题。

Weekly Live Discussion · 每周线上讨论

• Tencent Meeting · 腾讯会议
• Every Thursday 9:00 PM · 每周四晚上9:00
• About 60 min / session · 每次约60分钟
• Speak, listen, or chat, all welcome.
  发言、旁听、聊天均可。

At least 1 attendance required for refund. 至少参加1次，才可获得返现资格。

Deadline & Late Policy · 截止与补卡

• Daily deadline: 11:59 PM, your local time.
  每日截止：当地时间23:59。
• Within 12 hours late: counted as 0.5 day.
  延迟12小时内：计0.5天。
• After 12 hours: not counted. Weekends allow two days of make-up check-ins.
  超过12小时：不计入。周末两天可以进行两天的补卡。
• More than 5 missed check-ins: no refund eligibility.
  缺卡次数超过5天：失去返现资格。