✅ 同义词
🗣️ 情景例句
Financial security, that's what it's all about.
家庭财政状况无忧，这就够了。
This is Lesson One.
这是第一课。
Tired of sleeping on the floor, a young man in Teheran saved up for years to buy a real bed.
德黑兰的一个人年轻人由于对睡地板感到厌倦，于是积蓄多年买了一张真正的床。