Sentence examples for been a complex problem from inspiring English sources

Prolocation, the government website's host, said the attack had been a "complex" problem and that its phone lines had also gone down.

That's a particularly important issue in the Salinas Valley, where the conservation of native, federally threatened California tiger salamanders has been a complex problem (Science, 10 September 2004, p. 1554).

While selection of eligible suppliers has itself been a complex problem, however, time taken into account, multiple recurrences of the problem will make it even more difficult to find solution.

Infant mortality is a complex problem.

"But it's a complex problem.

This is a complex problem but there are solutions.

I don't think it's a complex problem.

It is a complex problem, and sadly, you're probably always going to have some risks".

An effective strategy needs to be multi-faceted, since obesity is a complex problem.

Sorting the "adult" internet from the "child" internet is a complex problem with no right answer.

"America must know that this is a complex problem that goes back 30 years".