Constraints
n. 强制( constraint的复数形式 ); 限制; 约束
🗣️ 情景例句
Hello, Alexandra.
你好 Alexandra。
I understand completely.
我完全理解。
In the light of this statement, teachers live by selling knowledge,
根据这种说法，教师靠卖知识为生，哲学家靠卖智慧为生，