Sustainable development brand can be combined, as far as I know, the public is more sustainable, I remember the year before or the year before, I remember the public theme concept is blue beard, its many technologies are more environmentally friendly and some sustainable development of some ideas, so I prefer the public. As for what you say is no sustainable development at all, some state-owned enterprises, such as operators, mobile, telecommunications and so on, I think they are less sustainable.
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