There's a time lag between infection with HIV and developing AIDS.
从感染艾滋病病毒到发展成为艾滋病病人有一定的时间间隔。
We call this one 'response latency' and it means that, because it takes a lot of brainpower to concoct a lie, there may be a time lag between you asking a question and the other person answering.
我们把这一项叫做“反应潜伏期”,它的意思是:编织谎言需要非常多的脑力,这样,在你的提问和别人的回答之间就会有一段时间滞差。
There is another interesting point in the article. There is a time lag between carbon emissions and their effect on air temperature.
上文还提到了一个很重要又很有意思的事实:碳排放与其对气温的影响存在一个时间差。
"Its really because of what Bill and I have seen thats been possible the amazing life-saving advances of this technology of vaccine and the success of the GAVI Alliance and what theyve really done the last 10 years, She says there used to be much lag time between the time a vaccine appeared in the U.S.or Europe and the when they became available in poor countries.
VOA: standard.2010.01.29
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