sure region的意思|示意

The Middle East unrest is probably the major issue under discussion, but no one is sure what will happen, except that virtually no country in the region will go unaffected.

中东的动乱可能是这次讨论的主要问题，除了能肯定每一个该地区的国家都会受到影响外，不知道还会发生什么。

There's a pretty heavy Russian presence in the game, which I am not really sure represents quite how much influence the Soviets had in the region.

游戏里有很多俄国势力，但是我不确定苏联到底曾有过多少影响。

I made sure I campaigned in every little town in the region, often spending the night with new supporters.

我确保自己在这个地区的每一个小镇都开展宣传活动，常常在新的支持者家里过夜。