intractable problem造句怎么写

We are facing an intractable problem.

First, better institutions will not solve intractable problems.

Because it is practice. It is learning in avirtual world the types of skills and behaviors we need to solve theseemingly intractable problems of the real world.

Worse, their intractable problems—left for generations by the countries where they sought shelter in wretched camps-cum-shanty towns—seem now to be typical of other refugees’ woes.

To talk about a water crisis hides intractable problems such as poverty.

The better I get at filtering and managing my email, the more convinced I am that email overload may be an intractable problem.

But now Nigerians are waiting for him to take the harder decisions that alone may sort out some of their country's more intractable problems.