Difference operator
[计] 差分算子
🧩 词语组成解析
🗣️ 情景例句
And you'll have a full day in the country.
你们就可以在乡下待一整天啦。
A good wife and health is a man's best wealth.
贤妻和健康是男子的至宝。
'I will take an interest in this or that.'
我会对这个或那个发生兴趣。