kāi / jiǎng / qián / xǔ / duō / cǎi / mín / dōu / huì / zǐ / xì / yán / jiū / lì / shǐ / hào / mǎ

开奖前，许多彩民都会仔细研究历史号码。

Before the draw, many lottery players carefully study historical numbers.