According to a more complex principle that we'll try to make simpler, a monochrome photo has better brightness than a similar color shot. (news.softpedia.com)
How does one mold such complex principles as peace, justice and sustainability into a coherent story? (nwei.org)
Domestic trials regularly involve complex principles of evidence, such as the Crown trying to cross-examine its own witness (i.e. the complainant), hearsay statements and recantations. (mcgarrylaw.ca)