Chinese phrase
要是〜，我们就改天再去 yào shì 〜 wǒ men jiù gǎi tiān zài qù
Meaning
We will go on another day if ___
When to use it
The visit happens on another day if a condition occurs. It presents a calm, practical change of plans when the original timing may not work.
Example dialogue
听说明天会下大雨，水族馆还去吗？ tīng shuō míng tiān huì xià dà yǔ shuǐ zú guǎn hái qù ma
They say it will rain heavily tomorrow. Are we still going to the aquarium?
要是明天下大雨，我们就改天再去。 yào shì míng tiān xià dà yǔ wǒ men jiù gǎi tiān zài qù
If it rains heavily tomorrow, we will go another day.