贫困是顽疾，“顽”在成因复杂、难以根除、极易反复。
Image Credit: Sausly
。safew官方版本下载对此有专业解读
And no matter what, the plan to use Russian assets remains problematic, since the ISS would have a “shallower reentry,” NASA says, and sprinkle surviving debris over a larger-than-desired area. Still, NASA would retain significant control over where any of these extant shards might plop down. They’ll probably land in the ocean, just as the space agency has always hoped. Sure, the station would have died before its time, but the thing was getting old. Most likely, it will be fine.
the front where an appropriately formatted passbook could be inserted, and like