So we're talking about continuous or more sustainable presence of both NATO and the U.S. in the region.

所以我们讨论的是北约和美国持续在这个地区的存在。

There are as yet few people on the planet who can sustain a state of continuous presence, although some are getting close to it.

目前为止，地球上很少有人能够维持持续存在的状态，尽管有些人已经接近这种状态。

By the end of 1996, the first crew of 8 is going to enter the living module to begin what NASA hopes will be a continuous human presence in space.

到 1996 年底，首批 8 名机组人员将进入生活舱， 开始 NASA 希望人类在太空中的持续存在。