In modern-day Italian, a casino is a brothel (also called casa chiusa, literally „closed house“), a mess (confusing situation), or a noisy environment; a gambling house is spelt casin\u00f2, with an accent. Other significant gambling centers include Singapore, Monte Carlo, and various locations in Europe and the United States. Macau is the largest gambling market in the world, having surpassed Las Vegas in terms of revenue. The design of a casino, including factors like sound, odour, and lighting, is often carefully controlled to encourage gambling. The percentage of funds returned to players as winnings is known as the payout.<\/p>\n