Labour had chosen to do so by taxing 50% taxpayers on their employer contributions through the self-assessment system, creating a fiendishly complex arrangement.

His vision, which resembled the billowing sails of a ship, would require a highly complex arrangement of unique shell shapes.

Neatly produced electro-pop that doesn't take itself too seriously despite its deceptively complex arrangement.

An asset swap would involve a complex arrangement in the three largest markets.

The music was a complex arrangement which grew progressively darker and more feverish in tone.