1. It was a waste of effort.

2. That was a waste of effort.

3. It was waste of effort!

4. A wrong approach means a waste of effort.

5. It a waste of effort.

6. Trying to hit a humbug was a waste of effort.

7. While it might seem a waste of effort to use a collaboration and then unhook one of the main processing paths, remember that reuse is the key here.

8. I could have told you it would be a waste of effort.

9. It is pointless to discuss the "function of the university" in abstraction from concrete historical circumstances, as it would be a waste of effort to study any other social institution in this way.

10. They may spend more time than younger men, but they probably climb mountains with more skills and less waste of effort, and they certainly experience equal enjoyment.

11. They're things we have to be prepared for of course,( ) but they don't mean that randomization is a waste of effort.

12. You want the exercise to count for something and to produce results; otherwise it was a waste of effort.

13. Only gradually on his own did he "intellectually reject" some of the "delusionally influenced" and "politically-oriented" thinking as a waste of effort.

14. But a majority of evangelicals disapproved of the first and a large number of his fellow social conservatives warned, rightly , that the second was a waste of effort.

1. It was a waste of effort.