Zhè / fèn / jiǎn / tiě / xiě / de / shí / fēn / zhèng / shì / hái / zhù / míng / le / yàn / huì / dì / diǎn

这份柬帖写得十分正式，还注明了宴会地点。

This invitation is very formal and even specifies the banquet venue.