Why Is It Tactic to Do?

It seems to me, if you don't have my view that there's this special way of knowing about the phenomenon, it shouldn't be tricky. And we have to sort of think of these indirect men. Why is it tricky? It's trickly because of the problem of coordination that i that i was mentioning at the beginning. But again, that's a problem that we had with temperature. How do you measure time? That's a huge, huge charrange. At least it was a huge now we do it all the time.