短语
以备不时之需
Rainy day
;
for a rainy day
;
against a rainy day
;
For unexpected needs
保存以备后用
preserve
保留以备后用
preserve
存钱以备他日之需
put aside
以备查考
For future reference
保存起来以备查考
file for reference
以备后患
take precautions against future trouble
以备日后参考
For future reference
以备不测
to be prepared for accidents
