gǔ / dài / sēng / rén / bì / xū / chí / yǒu / guān / fǔ / bān / fā / de / dù / dié / cái / néng / zhèng / shì / chū / jiā

古代僧人必须持有官府颁发的度牒，才能正式出家。

In ancient times, monks had to hold a government-issued ordination certificate to officially become ordained.