"People are willing to spend more time and effort now to try to save animals."

If not, you will have to spend a lot more time and effort using them than is necessary.

People who follow then do not have to spend time, money and effort coming up with the same solution.

That is why he spent so much effort trying to find it.

Why spend all this money and effort to make a copy?

Why spend so much effort to hunt down one person?

Still, why spend so much time and effort on something that most people won't see or experience?

Instead, they spend their time and effort in the swing states.

So neither of them had spent much time or effort thinking about serious defensive plans.

Very few of us are interested in spending much effort to maintain good health.