Combinatorial mathematics
[计] 组合数学
🧩 词语组成解析
[计] 组合的
🗣️ 情景例句
You don't know up from down.
你黑白不分。
How much do you want to change?
您想兑换多少？
if given the chance to live long enough;
即使能让它们活得足够长久的话，