Concept learning
[计] 概念学习
🧩 词语组成解析
🗣️ 情景例句
What's the matter?
发生了什么事？
Yes, I got dressed and had breakfast.
是,我穿好衣服了并且吃了早餐。
These days, advertisers not only offer free samples, but free cars, free houses, and free trips round the world as well.
目前，做广告的人不仅提供免费样品，而且还提供免费汽车，免费住房，免费周游世界。