Pref
abbr. 优先（preference）；序幕（preface）；字首（prefix）
🗣️ 情景例句
We have another appointment on the same day.
我们那天有另外一个约会。
What were you doing this time last year?
去年这时候你在干什么？
For one thing, when you earn money, you will not have to keep on asking your parents for money.
首先，当自己挣了钱，你就用不着老向父母要钱了。