Chinese phrase
保存多久？ bǎo cún duō jiǔ
Meaning
How long can it be stored?
When to use it
It asks how long something can be kept or stored. It is a simple, neutral question about a product's storage period.
Example dialogue
请问，这个牛奶保存多久？ qǐng wèn zhè ge niú nǎi bǎo cún duō jiǔ
Excuse me, how long can this milk be stored?
包装上写着可以常温保存一周。 bāo zhuāng shàng xiě zhe ké yǐ cháng wēn bǎo cún yì zhōu
The package says it can be stored at room temperature for one week.