Constraints
n. 强制( constraint的复数形式 ); 限制; 约束
🗣️ 情景例句
To catch fish, you need the right magic.
要钓得到鱼 你得用对魔法。
I'd stay if they promoted me, but I can't see that happening.
假如他们提升我，我就留下来，但我看那是不可能的。
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。