The cold is our most common disease. Millions of people suffer discomfort from one or more colds each year. The cause of this illness is a virus. But as yet no cure has been found. It is believed that rest and liquids help our bodies fight this virus.
    感冒是最常見的疾病。數(shù)以百萬計(jì)的人每年遭受一次或幾次感冒帶來的不適。這種疾病是由病毒引起，但治愈的方法至今未被發(fā)現(xiàn)。人們相信休息和大量飲水會(huì)幫助我們的身體抵抗這種病毒。