It doesn't prove that he did the murder, but it can help when it's joined up with lots of other evidence.
这并不能证明他是凶手，但如果与其他大量证据结合起来，就会有所帮助。
3
He accomplished this by giving the stage a greater feeling of depth, which he did by cutting up some of the rigid background scenery and placing it at various angles and distances from the audience.