yī chuán shí , shí chuán bǎi 
		news pass quickly from mouth to mouth (idiom)
an infectious disease spreads quickly (old meaning)
		 
		
		
														
		
		
			 
		
				
		
			yī chuán shí , shí chuán bǎi 
		news pass quickly from mouth to mouth (idiom)
an infectious disease spreads quickly (old meaning)