Ppi
[经] 生产者物价指数
🗣️ 情景例句
Fortunately, they returned safely.
说来幸运，他们平安回家了。
My grandma is 40 years older than me.
我祖母比我大40岁。
You will soon get used to the work.
你很快就会习惯于这项工作的。