Thecommoncoldistheworld'smostwidespreadillness,whichi...
问题详情： Thecommoncoldistheworld'smostwidespreadillness,whichisaseriousinfectionthatmanreceives. Themostwidespreadmistakeofallisthatcoldsarecausedbycold.Theyarenot.Theyarecausedbyvirusespassi...