Yet action on the current scale has never been tried before and nobody knows when it will have an effect—let alone how much difference it will make.
但是眼下这种规模的行动从未在以前尝试过,没有人知道它将在何时产生效果——更不用说它将会有多大的作用。
Such an exchange would in effect make the operation a request/reply operation, with the reply information not coming from the service provider.
这种交换将有效地使操作成为一个请求/答复操作,并且答复信息不是来自服务提供者。
The third step requires them to create an environment to make the habit changes easier to effect.
第三步,要创造一个环境,以便这种习惯的改变能够更容易地实现。
"The most important thing is that every one of us every child,every adult has a responsibility that their action, every action we make has an effect on the earth that we live in.
VOA: special.2010.01.21
The problem is you've got to make hundreds of millions of doses sometimes in order to have an effect on progress of the disease.
问题是有时候你不得不去制造几亿支疫苗,以便在疾病进展时发挥作用
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