Difference set
[计] 差集
🧩 词语组成解析
set
[sɛt]
vt. 放置，安置;使处于某种状况;设置;摆放餐具;
vi. 落山;出发;凝结;
n. 一套，一副;集合;布景;电视机;
adj. 固定的;位于…的;顽固的;安排好的;
🗣️ 情景例句
If I've ever been sure of anything, I'm sure of this; your team is going to lose the same game on Saturday.
这一次我十分肯定：你们队星期六的比赛会输。
Do you ever do exercises on Saturday?
你曾经在星期六做练习吗？
Certainly! I'm coming now, Mum!
当然可以，妈妈，我马上就来。