But the professional companies prospered in their permanent theaters, and university men with literary ambitions were quick to turn to these theaters as offering a means of livelihood.

　　(一)寻标志，断长句:逗号;介词短语

　　1. but the professional companies prospered in their permanent theaters

　　2. and university men with literary ambitions were quick to turn to these theaters

　　3. as offering a means of livelihood

　　(二)抓住干，识修饰

　　1.主干： But the professional companies prospered ，and university men were quick to turn to these theaters

　　2.修饰：

　　in their permanent theaters作地点状语，翻译到主干前

　　with literary ambitions 介词短语作后置定语，翻译到修饰的名词前

　　as offering a means of livelihood作方式状语，翻译到主干前

　　(三)调语序，定句意

　　1. 在一些老牌剧院中专业的公司兴盛起来

　　2. 有文学抱负的大学生们很快回到了这些剧院

　　3. 作为谋生手段

　　(四)依逻辑，组整句：顺译

　　在一些老牌剧院中专业的公司兴盛起来，为了谋生，有文学抱负的大学生们很快回到了这些剧院。