Thecommoncoldistheworld'smostwidespreadillness,whichi...
問題詳情： Thecommoncoldistheworld'smostwidespreadillness,whichisaseriousinfectionthatmanreceives. Themostwidespreadmistakeofallisthatcoldsarecausedbycold.Theyarenot.Theyarecausedbyvirusespassi...