Backward difference
[计] 后向差分
🧩 词语组成解析
🗣️ 情景例句
I know, but it's still a dream come true.
我知道 但这终究是一个梦想实现了。
Do you have any plan for your career?
你对未来有什么计划吗？
At this period Indians living in South Africa were badly treated by South African whites, and very few of them had the right to vote.
在那一时期，居住在南非的印度人受到南非白人的虐待，他们当中有选举权的寥寥无几。