A：兩家公司的合併 (merger) 是兩個實體的組合 (combination of two entities)，而不是它們之間發生了合併 (merger that happens between them)，所以要用 “merger of”，如 The merger of these two companies will create the biggest television company in the country. (這兩家公司的合併將造就該國最大的電視公司)。
Merger 為名詞，其動詞為 merge，通常與介系詞 with 連用，如 Small publishers were forced to merge with larger companies. (小出版社被迫跟較大的公司合併)；He intends to merge his own company with another unnamed media giant. (他打算將自己的公司與另一家未提及名稱的媒體巨擘合併)。
Merger 亦可與 with 連用，如 The merger of A Company with B Company will create the biggest television company in the country. (A 公司與 B 公司的合併將造就該國最大的電視公司)。