Certs
n. 确实的事情（cert 复数）
🗣️ 情景例句
Do you ever think about other people?
你从来就不考虑考虑别人吗？
Who is the auther of this mystery story?
谁是这篇神秘故事的作者？
Good. I 'm glad we're all done.
太好啦，我真高兴一切都成了。