Lottery, also known as lottery, is "lottery" in English. Cihai (version 1999) explains the lottery (haobc) in this way: "commonly known as' pigeon ticket'. A voucher issued by a lottery ticket to raise funds or raise funds. " The Modern Chinese Dictionary explains lottery and lottery respectively in this way: "Lottery, lottery as a general term." Lottery is a kind of securities marked with numbers and sold at face value. After the lottery, those who hold the lottery ticket with the winning number can receive the prize according to the regulations. Lottery is a kind of voucher issued to raise funds, printed with numbers, graphics, words and face value, which is purchased voluntarily by buyers according to certain rules and whether they get rewards or not.