They worked out the system with much thought and labor.

The bridge saved them a lot of time and trouble.

The machine will save you much time and labor.

Computers will save you much time and energy when you deal with figures and graphs.

This modern machine dispenses with much hard labor.

This job involves lots of hard work.

This machine saves us a lot of labor.

This machine saves us a lot of labor.

Just how much time and work are you going to put into a project that you can't get any money for?