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Different signs mean different things.
It means .
smoke 吸烟
No
smoking
‘No smoking’
No littering
No eating or drinking
Wet floor
No parking
park
① 公园
② 停车
litter
or
Danger
danger
We can see different signs in different places.
Where can we see the signs?
We can see different signs in different places.
Tim
Mike
Helen