Chinese phrase
可以提前多长时间申请？ ké yǐ tí qián duō cháng shí jiān shēn qǐng
Meaning
How far in advance can I apply?
When to use it
Asks how early an application can be submitted. It is a neutral, practical way to check the earliest allowed time for applying, often when planning a trip or booking.
Example dialogue
下月跟团游，可以提前多长时间申请？ xià yuè gēn tuán yóu ké yǐ tí qián duō zhǎng shí jiān shēn qǐng
For next month's group tour, how far in advance can I apply?
报名至少提前三天，特价票最好提前一周。 bào míng zhì shǎo tí qián sān tiān tè jià piào zuì hǎo tí qián yì zhōu
You must apply at least three days in advance, and a week ahead is best for discounted tickets.