Detrending
消除长期趋势
🗣️ 情景例句
Keep it down!
小点儿声！
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
decided to take some presents to a children's hospital.
盖茨决定送些礼物给儿童医院。