But, my brief is to achieve an overall reduction in costs.

但我的目标是削减总成本。

Yet these developments will not necessarily mean an overall reduction of transport.

然而，这些发展并不一定意味着交通运输的全面减少。

That does raise the whole question about how overall reduction in violence may be necessary in order for peace talks to resume.

这引发了一个整体问题，即暴力事件全面减少对重启和谈有多必要？