Sentence examples for simple but substantive from inspiring English sources

Frequent capacity shortages and the ensuing rolling black-outs, price spikes, and large price volatility since Summer 2000 raise a simple but substantive question: what went wrong?

But substantive development and modernization eventually followed.

But substantive matters are also to be discussed: Business.

Simple but useful.

His food is simple, but not simple.

Very simple, but important.

Simple, but also simplistic.

Simple, but class.

Simple, but strategic.

Simple but wrong.

Simple but wonderful.