continuation
noun [ C or U ] uk/kənˌtɪn.juˈeɪ.ʃən/ us/kənˌtɪn.juˈeɪ.ʃən/ (formal continuance, uk/kənˈtɪn.ju.əns/ us/kənˈtɪn.ju.əns/)
继续; 持续;延续
the fact of continuing or a thing that continues or follows from something else
The continuation of the strike caused a lot of hardship. 持续罢工造成了大量贫困现象。
It's just a continuation of the bigger river, but with a different name. 它实际上是那条大河的延续，只是名称不同而已。