Squariance
(离差)平方和
🗣️ 情景例句
Would you like some coffee?
要不要来点咖啡？
Have but few friends though many acquaintances.
朋友要少，熟人要多。
Do me the favor to put on this shirt, and this suit.
请赏个脸，把这件衬衣穿上，还有这套衣服。