另外，有证据表明，以往的预防运动的效果正不断消失。
There is also evidence that the effect of past prevention campaigns is waning.
我们正采取行动，但所采取的行动到底有多大的效果还说不准。
We are taking action, but how effective it will be remains to be seen.
该软件应用后的经济效果正逐年扩大。
Through practical application its economical effect has being expanded year by year.
该软件应用后的经济效果正逐年扩大。
Through practical application its economical effect has being expanded year by year.
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