Definition
to set money aside for future use
儲蓄（資金）
She puts aside a portion of her salary each month for future use.
她每個月都將一部分薪水存起來以備將來使用。
He advised to start putting money by when young, so they can handle unexpected expenses in the future.
他建議年輕時就開始存錢，這樣將來才能應付意外開支。
He decided to put some money by for his vacation.
他決定存一些錢來度假。