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i think smile is the 1st language for communication with a simple smile we can make our enmies as friends. A sample way 2 wish any one is smile also a scientifical fact is taht we can improove our health by smililng for atleast 6 hours a day i think one who reads this also smil at me. So friends keep smiling

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12y ago
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Q: What are advantage and disadvantage of smile?
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