This alone demonstrates that the television business is not an easy world to survive in a fact underlined by statistics that show that out of eighty European television networks no less than 50% took a loss in 1989.

· 词的处理 ·

This demonstrates：这一点表明;

alone：足以;

television business：电视行业

television networks：电视广播网

underlined：强调;

no less than：不少于，多达

take a loss：亏损

· 句子翻译分析 ·

This alone demonstrates ||(宾从) that the television business is not an easy world to survive in, (同位语)a fact underlined by statistics ||(定从) that show ||(宾从) that out of eighty European television networks no less than 50% took a loss in 1989.

译：这一点就足以证明，要在电视行业里生存下来并非易事。统计数字尤其说明了这一事实，(数据表明)在80个欧洲电视网中，一半或更多在1989年是亏损的。
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