It is said that folk musix has been_______down from generati

It is said that. it is said that "It is said that he has gone to Australia"里的it's said是什么意思 It has often been said that life is difficult as it is it is said that用法 It is sometimes said that... 关于it is said that It is said that the it is said that dogs. It is said _____ has been translated into French A.that that It is said that Lily has bought a DV recently,________ that It is said believed/known/supposed that he is from Africa.翻译