1.The viruses are difficult to find and they change very quickly so they can fight against new drugs.
fight against 對(duì)抗
We must all fight against unfairness and cruelty.
我們大家必須與不公正和殘暴作斗爭(zhēng) 。
2.The usual treatment for a common cold is to take medicines or remedies for the different symptoms.
remedy for 對(duì)...治療法
There is no specific remedy for the malady.
沒(méi)有醫(yī)治這種病的特效藥 。