在过去的几年，北京发生了巨大的变化。
Great changes have taken place in the past few years in Beijing.
北京发生了巨大的变化。
从这张表格中我们可以看到，在过去的几年里，北京发生了巨大的变化。
As can be seen from this table, great changes have taken place in Beijing in the past several years.
从这张表格中我们可以看到，在过去的几年里，北京发生了巨大的变化。
As can be seen from this table, great changes have taken place in Beijing in the past several years.
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