Discounting
vt. 折现；贴现；折扣；计算现值（discount的现在分词）
🗣️ 情景例句
It's our family tree.
这是我们的家谱。
Beware beginnings.
慎始为上。
If you loved me, you wouldn't say that.
如果你爱我，你就不会那样说。