Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu may make a difference in how long the misery lasts.

沙哑的喉咙、不通气的鼻子和疼痛的身体都会带来痛苦，但若能识别起因是感冒还是流感，就可能改变痛苦持续的时间。