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운동 수고하셨어요 응원합니다
Install the Cashdoc app
It takes about 20 minutes if you walk diligently!
I didn't walk along the walking trail.
Stop exercising in front of the traffic light.
There might be a 5-minute margin of error!
I didn't realize it when I was just walking.
Because I timed myself while walking, I could tell how long I walked.
That's nice ☺️