Associativity: when merging three (or more) states, it doesn’t matter which are merged first; (A ∨ B) ∨ C = A ∨ (B ∨ C). If Alice receives states from both Bob and Carol, she can merge them into her own state in any order and the result will be the same.4
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，这一点在哔哩哔哩中也有详细论述
A relatively small amount, about $15bn worth of trade goes through the Middle East. Obviously, that’s very important for those companies that are trading there.
В России с 1 апреля вводится новый ГОСТ на белый хлеб из пшеничной муки, он заменит ГОСТ, который действовал с 1986 года. Об этом со ссылкой на документ Росстандарта пишут РИА Новости.