If not placing jobs at risk, to the extent employment protection laws constrain business owners from dismissing underperforming managers, those laws act as a constraint on film productivity and therefore on workers' wages.一、语法结构剖析1、找出谓语动词If not placing jobs at risk, to the extent employment protection laws constrain business owners from dismissing underperforming managers, those laws act as a constraint on film productivity and therefore on workers' wages.2、划出句子结构[If not placing jobs at risk, to the extentemployment protection lawsconstrainbusiness ownersfrom dismissing underperforming managers], those lawsactas a constraint(on film productivity) and (therefore on workers' wages).|--[条件状语]If not placing jobs at risk, “如果没有把工作岗位置于危险中”[程度状语从句]to the extent employment protection laws constrain business owners “只要就业保护法限制企业主”|--[引导词]to the extent “在....范围内”“只要”|--[主语]employment protection laws “就业保护法”|--[谓语]constrain “限制”|--[宾语]business owners “企业主”|--[宾语补足语]from dismissing underperforming managers“解雇那些表现不好的经理“[条件状语主句]those laws act as a constraint [on film productivity] and therefore [on workers' wages]“那些法律扮演了作为一个限制者在电影生产和在员工工资”|--[主语]those laws “那些法律”|--[系动词]act“充当、起到....作用”|--[表语]as a constraint“作为限制因素”|--[定语]on film productivity and therefore on workers' wages“对电影生产效率的限制并因此对工人工资的限制”--修饰constraint二、词汇含义1、place...at risk 把....置于危险中2、to the extent (that)... = 在……的范围内 / 只要……(表示条件或程度界限)3、constrain sb. from doing 限制某人做某事4、act as a constraint on... 对……构成限制 / 拖累……5、and therefore on... 进而也对…… / ……自然也会随之……6、on film productivity / on wages 对生产效率/对工资三、“得意忘形”直译:如果这些法律没有把工作置于危险之中,那么只要就业保护法限制了企业主解雇表现不佳的经理,这些法律就对电影生产力起到限制作用,进而对工人工资也起到了限制作用。