- 问题详情:Hostess:Whatadvicewouldyougivetosingersfacingvoiceproblems?Doctor:Ifpopsingershavegotvoiceproblems,theyreallyneedtobemore__11__(select)aboutwheretheywork.Theyshouldn'tworkinsmokyatmospheres.Theyalsoneedtothinkabout__12__(rest)theirvoicesafte...
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