回答下列提问:Signs are important in our daily life.You may see a b

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  • Signs are important in our daily life.You may see a board with a letter "P" in a street somewhere.It tells us you can put your car or bocycle here.When you are in the cinema,you'll find a sign with a word "Exit",too.It means you can get out of thecinema from here.There are many obvious signs around us.Most of tnem are helpful to us.They always make our life more convenient.