在过去的五十年里,老虎的数目锐减。
The number of tigers has reduced abruptly in the last fifty years.
在过去的五十年里,老虎的数目锐减。
The number of tigers has reduced abrupt ly in the last fifty years.
在过去的五十年里,我们的期望已经改变了。
Over the last five, ten years there's been some work done on this.
在过去五,十年里,有人做了一些有关笑的研究。
And it's changed a bit over the last five to ten years. And now it's been gentrified.
在过去的五到十年里,这儿有了一些小变化,现在这儿改善得不错。
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