✅ 同义词
🗣️ 情景例句
What's the difference between A and B?
A和B有什么不同？
What's the matter with you?
你怎么了？
You see, the school will be expensive to run and we shall need a lot of good teachers.
你知道，办这所学校要花很多的钱，我们需要很多好教师。