研究人员并不清楚为什么圣何塞的贫困儿童在几十年前取得了如此巨大的成功。
Researchers do not have a clear idea why poor children in San Jose achieved such great success several decades ago.
赢得今年诺贝尔奖的成果是在几十年前做出的。
The work that earned this year’s Nobel prize was carried out decades ago.
就是在几十年前,美国在这些排名中还很靠前。
Only a few decades ago, the U. s. stood tall in such rankings.
It was kind of funny at that time, decades ago, some of the people were kind of reluctant, but they said we just had to go with the flow.
在几十年前,这是很有趣的,有些人对此感到犹豫不决,但是他们还是决定随波逐流。
It's basically like a couple, you know, decades ago,
事实上,在几十年前,
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