无工作的

In the end it proved a pointless exercise.

最终证明这是个无意义工。

"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”是最简单方法同时学会基础新摄索尼EX3最先无磁带工状态高级功能。