And what's important to keep in mind about formal charge is if we have a neutral atom, such as we did in thionyl chloride here, the sum of the individual formal charges on individual atoms within the molecule have to equal 0.

而关于形式电荷记住一点是很重要的,那就是如果我们有一个中性原子，比如亚硫酰氯，那么这个分子中的所有原子的,形式电荷之和应该等于零。

麻省理工公开课 - 化学原理课程节选

If the product is just the sum or multiple of a sum of the inputs, there wouldn't be much of a point working in a team at all.

如果总收益只是投入的和或者倍数,那这样合作也没什么意思了

耶鲁公开课 - 博弈论课程节选

A mobile army of metaphors, metonymies, anthropomorphisms in short, a sum of human relations which became poetically and rhetorically intensified," "and are now no longer of account as coins but are debased."

一支由暗喻，转喻，拟人组成的机动部队,简单来说，人们之间的关系,诗意般地在修辞上加强了“,人们之间的关系不再值钱，而被贬低了“

耶鲁公开课 - 文学理论导论课程节选