zài / gōngmíntóupiào / qián / zhèngfǔ / gōngbù / le / xiángxì / de / shuōmíng / yǔ / tǒngjì / zīliào在公民投票前,政府公布了详细的说明与统计资料。Before the referendum, the government released detailed explanations and statistical data.