凡事「提前準備」才能從容應對，英文怎麼說？
你是喜好「事前規劃」的J型人嗎？那麼今天要分享的三個英文你一定要學起來！他們都有表達「預先」之意，但用法略有不同，來看例句說明：
● in advance 事先；預先；在做某件事或特定時間之前
There's a chance you could get a cheaper price by booking your flight in advance.
提前預訂航班就有機會獲得更便宜的價格。
The boss approved Keith's request for vacation days because he asked for them three months in advance.
上司批准了基斯的出遊假，因為他三個月前就事先申請了。
● prior to 在某特定事件或時間之前
All electronic devices must be switched to airplane mode prior to takeoff and landing.
所有電子設備在飛機起飛和降落前必須切換至飛行模式。
● beforehand (adv.) 事先；早於一個特定時間
You shouldn't just walk into people's rooms— you should knock on their door beforehand.
你不應該直接走進別人的房間─你應該事先敲門。