The phrase "a complex subject to" is correct and usable in written English.
It can be used when introducing a topic that is intricate or difficult to understand, often followed by a verb or action.
Example: "The theory of relativity is a complex subject to grasp for many students."
Alternatives: "a complicated topic to" or "a challenging issue to".
Migration is a complex subject to approach in archeology and the new materials and methods available, such as isotope analysis and DNA, make it possible, and necessary, to ask new questions.
Nevertheless, technical factors, standardization of the assays used to measure anti-TmAb antibodies, and the timing of the measurements make immunogenicity a complex subject to investigate.
It's a pretty complex subject to explore, and having never seen it animated I was trying to imagine how I saw this theory in my own head.
A spokesperson said the display "makes a complex subject accessible to all".
Nutrition and hydration at the end of life is a complex subject linked to many controversies.
Yet it also hints at limitations: even a school with such striking success at transmitting concrete skills like math struggles to overcome intractable deficits in reading, a complex subject as linked to conditions outside the classroom as in it.
As exchange control is a complex subject, it is advisable to obtain appropriate professional advice before deciding to take out a mortgage in a foreign currency.
Against the odds, Gibney has wrestled a complex subject every citizen needs to know about into riveting entertainment.
As always, he writes with a strongly synthesizing intelligence across a tremendous range; the result is a valuable introduction to a complex subject.
Consciousness experts might take issue with the conceit, but in terms of making a complex subject accessible and taking animation to new frontiers, it's a triumph.
For readers new to a complex subject, this book will be an invaluable guide, even if they do not go away agreeing with all, or any, of Mr Fukuyama's conclusions.
