Constraints
n. 强制( constraint的复数形式 ); 限制; 约束
🗣️ 情景例句
We couldn't afford it.
我们当时不够钱。
Lost sleep
失眠
By this time, however, three men had come into the ring and they quickly dragged the drunk to safety.
好像连牛也在为他感到遗憾，