在过去的30年里，这发生了巨大的变化的翻译：In the past 30 years, great changes have taken place in this 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

In the past 30 years, it has undergone tremendous changes

In the past 30 years, great changes have taken place in this

In the past 30 years, this has had the huge change

Over the past 30 years, and this has undergone tremendous change

In the past 30 years, great changes have taken place in this