无工作的

In the end it proved a pointless exercise.

最终证明这意义的工作。

"Mastering the Sony PMW-EX3" is the easiest way to learn both the fundamentals and advanced features of the new Sony EX3 camcorder and its state-of-the-art tapeless workflow.

“掌握索尼PMW-EX3”最简单的方法同时学会基础和新的摄像机和索尼EX3的最先的磁带工作流的状态高级功能。