An unknown quantity
未知量, 难预测的事
🧩 词语组成解析
an
[æn]
art. 一（在元音字母前代替不定代词a）;一任一某一;一个;
🗣️ 情景例句
This small child is quite self-centered. Maybe he is spoiled by his family.
这个小孩挺以自我为中心的，可能是被家人宠坏了。
You've already quoted a price of $ 800 per 1,000. Is there a discount for larger orders?
你报的价是每1000个要美金800元，如大量订购有折扣吗？
But then another question came up.
但是另一个问题出现了。