Ppi
[经] 生产者物价指数
🗣️ 情景例句
on the community-center project.
为社区中心的事。
A quiet conscience sleeps in thunder.
白日不做亏心事，夜半不怕鬼敲门。
But I didn't see much during the flight because there was too much cloud.
但我在飞行途中并没有看到什么东西，因为云层很厚。