前面加介詞for,例如:
1、So, if you want to keep your parasol long-term, prepare another umbrella for rainy days 。所以,如果想延長遮陽傘使用壽命,下雨天還是準備其他傘吧。
2、I'll put the rest in the bank for a rainy day.我要把餘款存入銀行以備不時之需。
3、They have a little nest egg tucked away somewhere for a rainy day.他們把一小筆錢存在了什麼地方,以備不時之需。