Yet a few people, at least, are willing to invest time and effort to make sure that it has a future.
The rewards to be had from investing the time and effort are pretty good, however.
It's a huge risk at this point to invest the time and effort to roll your own.
"But it's a first for us to invest so much creative effort into this type of material."
Well, people have to invest time and effort to opt out - or in - to a program.
Yes, I can see why you've invested so much effort into this.
Up until now, both sides have also invested substantial political effort in winning the fight.
Invest time and effort into making poor workers better.
In this way, the work put into its preparation and the effort invested will not be wasted.
Willis invested great personal effort into the planning and construction of the library.