Equality constraint
[计] 等式约束\\n[化] 等式约束
🧩 词语组成解析
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
Two is company, but three is none.
两人成为伴，三人不结侣。
Go down this street until you reach the second traffic lights. Turn right.
顺这条街往前走，直到第2个红绿灯处。往右拐。