These are very very inspiring people who have devoted their lives to solving very difficult social problems.
We use patience to get through and solve very difficult challenges.
The same sort of strategies that go into solving very difficult math problems can be used to tackle a great many problems.
"But it seems that maintaining stability within the party trumps a lot of concerted efforts to solve these very difficult problems".
We have had to solve some very difficult technological problems to launch Big Stage.
And on top of that, we have had to solve some very difficult problems to make each unique geometry fit neatly into a complete, fully animated avatar.
Apple is trying to solve a very difficult problem and, in true Apple style, it wants to come up with the simplest solution possible.
It's not just a toy: it's a phenomenal piece of engineering that manages to solve some very difficult software problems in order to take flight.
In doing so, developers have to solve some very difficult problems – authentication, security, cross-device synchronization, offline message management, and more.
They are, however, trying to solve a very difficult problem for which there may or may not be not much of a market (at least compared to simple, 2-3 word searches).
