Combinatorics
n. 组合学,组合数学
🗣️ 情景例句
You should include much more information about your work experience.
你应该把更多关于你的工作经历等情况包含进去。
Can I take you out to dinner? It'll be my treat.
我带你出去吃饭好吗？这次我请客。
Time is up.
时间快到了。