下面雅思为大家整理了雅思议论文写作论据：Legalized Gambling，供考生们参考，以下是详细内容。

　　Legalized Gambling

　　1. it is a source of government revenue

　　2. it is an old practice dating back thousands of years

　　3. it is pleasurable

　　4. many people play poker and mahjong

　　1. it can become addictive

　　2. it can destroy happy families

　　3. it can lead to suicide

　　4. it is easily controlled by the Mafia