问题描述：
重点在transaction
The video market this year amounted to 1.3 billion,with a retail market of 800 million -entailing some 79 transactions -and a rental market of 490 million-involving 230 million transactions.
不要用翻译软件.
The video market this year amounted to 1.3 billion,with a retail market of 800 million -entailing some 79 transactions -and a rental market of 490 million-involving 230 million transactions.
不要用翻译软件.
问题解答：
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