DrinkSomeone buying bubble tea several times a week
When calling in at the busy hour, I want the cup quickly, so twenty minutes do not go to one drink.
Khi ghé mua vào giờ tan học tan làm, tôi muốn lấy ly nhanh, để không mất hai mươi phút cho một ly nước.
Job context
- Who
- Someone buying at the peak hour
- When
- After school and after work
- Trigger
- A ticket number fifteen cups away
- Situation
- Everyone calls in at the same hour
- Constraints
- There is no way to know how backed up the counter is
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