Lfu
最少使用算法
🗣️ 情景例句
He bases his arguments on facts.
他的理论以事实为根据。
A faithful friend is hard to find.
益友难得。
At lunchtime, the tourist thanked him and gave him ten pounds, which was a lot of money in those days.
午餐时，这位游客向他表示感谢，并给了他10英镑。这在当时可算是一大笔钱了。