Chinese phrase
要提前几天预约？ yào tí qián jǐ tiān yù yuē
Meaning
How many days in advance should I make a reservation?
When to use it
Asks how many days in advance a reservation should be made. It is a practical, polite question used when planning travel or other bookings.
Example dialogue
我们是三个人出行，要提前几天预约？ wǒ men shì sān gè rén chū xíng yào tí qián jǐ tiān yù yuē
There are three of us traveling. How many days ahead should we make a reservation?
要看人数和季节，通常提前一周比较稳妥。 yào kàn rén shù hé jì jié tōng cháng tí qián yì zhōu bǐ jiào wén tuǒ
It depends on the number of people and the season. Usually, it is safest to book a week ahead.