Chinese phrase
下次请提前通知 xià cì qǐng tí qián tōng zhī
Meaning
Please let us know ahead of time next time
When to use it
This politely asks someone to give advance notice next time. It is used when a change or event needs to be communicated earlier, with a mild reminder about future notice.
Example dialogue
对不起，今天会议改到下午三点，来不及通知大家。 duì bù qǐ jīn tiān huì yì gǎi dào xià wǔ sān diǎn lái bù jí tōng zhī dà jiā
Sorry, today's meeting was moved to 3 p.m., and there wasn't enough time to notify everyone.
如果以后有变动，下次请提前通知我们。 rú guǒ yǐ hòu yǒu biàn dòng xià cì qǐng tí qián tōng zhī wǒ men
If there is another change, please let us know in advance.