Grades
n. 分数；等级（grade的复数形式）
🗣️ 情景例句
What's wrong, Susan?
有什么问题吗， Susan？
How long has he been with that company?
他在那家公司多久了？
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。