甲国有权在警告以后将未经许可飞越其领空的乙国民航班机击落。
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国际河流和国际运河属于全人类的共同财产。
A. 对
B. 错
界河沿岸国的游船有权在主航道上沿着河流航行游览。
A. 对
B. 错
Like with any business, you’ll need an excellent product and a _____.
Even if the product itself isn’t very unique, your expertise might be a strong ______.