✅ 同义词
🗣️ 情景例句
Advice doesn't normally come cheap, but this piece is for free...
通常来说，忠告都是价值不菲的，但这个是免费赠送的。。。
When did you find this book?
你什么时候找到这本书的？
We lived there for about five years.
我们在那儿生活了大约5年。