新药的疗效需要通过双盲试验来验证,而不能只凭个别病例宣传。Xīnyào de liáoxiào xūyào tōngguò shuāngmáng shìyàn lái yànzhèng, ér bù néng zhǐ píng gèbié bìnglì xuānchuán.The therapeutic effect of a new drug needs to be verified through double-blind trials, not promoted merely on the basis of individual cases.
这种药的疗效很明显,吃了三天他就退烧了。Zhè zhǒng yào de liáoxiào hěn míngxiǎn, chī le sān tiān tā jiù tuìshāo le.The effect of this medicine is obvious: after three days his fever was gone.
医生说这个方法疗效不错,可以继续用下去。Yīshēng shuō zhège fāngfǎ liáoxiào búcuò, kěyǐ jìxù yòng xiàqù.The doctor said this method works quite well and can be continued.