导师带你盈利靠谱吗简介：And he doesn't have to license all firearms patents. He can keep the top firearms in his own hands. Because things are rare and expensive, really good things don't need to be mass-produced.
And he doesn't have to license all firearms patents. He can keep the top firearms in his own hands. Because things are rare and expensive, really good things don't need to be mass-produced.
