Dì-yī lún shēnqǐng jiézhǐ qián yīdìng yào dì shēn.
You must submit before the first-round application deadline.
Tips
usage
递申 is study-abroad jargon, short for 递交申请 ('submit application materials'). Universal in online forums like 一亩三分地 where Chinese applicants discuss grad-school applications — you'll see 'xx递申了吗？' ('have you submitted yet?').
