.
1"A在这30年内发生了巨大的变化"
2"A在这30年之后发生了巨大的变化"
A has changed a lot in the last 30 years.
There have been great changes in A in the past 30 years.
Great changes have taken place in A in the past 30 years.
如果是指认应该用第一句比较好。如果A是城市什么的,那三句都不错。
There have been great changes in A in the past 30 years.
Great changes have taken place in A in the past 30 years.
如果是指认应该用第一句比较好。如果A是城市什么的,那三句都不错。
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