Constraints
n. 强制( constraint的复数形式 ); 限制; 约束
🗣️ 情景例句
Now, we always use different packing for different goods.
我们一向是不同的货物用不同的包装。
A little is better than none.
聊胜于无。
Haven't you heard of him? He's a very famous singer. He's singing at the New Theatre on Saturday.
你没听说过他吗？他是个著名歌手。他星期六将在新剧院演出。