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1·Railways ramified all over the country.

铁路四通八达遍布全国。《新英汉大辞典》

2·Railways are ramified over the country.

铁路线分布全国。

3·Railways ramified all over the country .

铁路四通八达遍布全国。

4·Highways were ramified all over the country.

公路纵横交错，遍布全国。

5·Also, it is the case that the marketing ramified in accordance with each product's properties is very unsatisfactory.

另外一个事实是，按商品特性进一步细分化的营销策略仍存在很多不足。

6·Ramified by the passage of sufficient time, any decision, indeed any action, will have large but inherently unpredictable consequences.

任何判决随着时间的流逝而有所分歧，事实上，任何行为都有极大的但是固有的不可预知的结果。