Elevator Tip: When going downstairs or up and down stairs below the third floor, please express this idea vividly from the perspective of health, environmental protection or economy.

1. The most common thing is: "For your health, please take more stairs!"

2. "If you want to lose weight, the best way is to take more stairs every day."

3. "Use the treadmill less and take the stairs more" and "Climb the stairs more often than the treadmill"

4. "Green travel starts with taking more stairs"

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