請問以下英文的句子有什麼不同

其實3句意思都一樣及我係在書中摘錄的,而書說2)係好過1)同3)係好過2).....但我不知道佢地之間的分別係邊........

1)It is surprising to note that cities often experience the most series effects of migration away from the country.

2)It is somewhat surprising that the most serious effects of rural depopulation are often experienced in the city.

3)Surprisingly,the most serious consequences of rural depopulation are often felt in urban area.