Discounting
vt. 折现；贴现；折扣；计算现值（discount的现在分词）
🗣️ 情景例句
No. I never could, either.
不会 ，我也一直都不会。
As a sign of friendship, Gordon and Peter clasped hands.
为了象征友谊，高顿和彼德互相握手。
Its wool, which had been dyed black, had been washed clean by the rain!
原来羊毛上染的黑色被雨水冲掉了！