建设工程“黑白合同”的效力及认定-建筑经济 关键词] 建设工程,黑白合同,实质性内容,效力,招投标 [gap=583]Key words: construction, black and white contract, substantial content, validity, bidding
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还是创业这个概念里真的有些实质性内容？
Or is there real substance to the concept of entrepreneurship?
即使少有实质性内容，媒体的报道仍会使他不虚此行。
Even if there is little substance, media coverage will still make the trip worthwhile.
不管多么缓慢，核裁军进程是否在一句口号之外终于有了实质性内容？
IS NUCLEAR disarmament, however slowly, turning into something more than a slogan?
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