Whentalkingaboutcolds,maybesomepeoplesayitisverycommon....
問題詳情：Whentalkingaboutcolds,maybesomepeoplesayitisverycommon.Duringthecoldwinterdays,manypeoplewillcomplainthecoldwintermakesthemcatchacold,andwhattheyfeelupsetarenotonlytheheadache,coughbutalsother...