centcal summation的用法和樣例：
例句
- Personality is a summation of stable mental and behavioral characteristics being from personal life and experience.
人格是一個人在個體生活和社會實踐中所形成的穩定的心理和行為特徵的總和。 - The whole movement of the world or the system is the summation which is composed with every part or element.
世界或系統的總體運動，是其中每一個局部或元素運動的總和。
