As long as robots add to the sum of human happiness, reduce suffering, and create time to read world-class journalism, we should be their fans.

只要机器人能为人类增加快乐，减少痛苦，并为人类创造时间来阅读世界级的新闻，人类就应该成为它们的粉丝。

youdao

Let x be the sum of a and b.

设x为a加b之和。

《牛津词典》

One is randomly chosen to propose how a sum of money, known to both, should be shared between them; only one offer, which must be accepted or rejected without negotiation, is allowed.

其中一人被随机挑选出来，提出双方都知道的一笔钱应该如何分配；只允许有一个报价，必须被接受或拒绝，没有谈判。

youdao

So, the total work that we can get out must be zero, out of the whole sum of them.

因此，我们可以从这两个热机,得到的总功，一定是零。

麻省理工公开课 - 热力学与动力学课程节选

What we are going to say is that the wavefunction for molecular orbitals is going to be an additive sum of the wavefunctions of atomic orbitals.

我想说的是,分子轨道的波函数,就是多个原子轨道,波函数的线性叠加。

麻省理工公开课 - 固态化学导论课程节选

To sum up, ingredients of humor is there has to be a target who experiences some harm.

总的来说，幽默的要素,就是要有一个承受一定伤害的目标。

耶鲁公开课 - 心理学导论课程节选

Importantly, the measure of whether banks are increasing their net lending will be the sum of their respective lending to big businesses, mortgage lending to households, lending to non-bank providers of credit such as leasing and factoring companies and mortgage corporations, and either 10 or five times net loans to small enterprises.

BBC: Is cheap credit for small businesses the answer?

Essentially Klout considers your net worth to be the sum of how often you tweet, get retweeted and how many people follow you.

FORBES: Social Media Clout: The Rise of Micro Celebrity Endorsements

This would actually be a huge sum of money, and has raised eyebrows in the rest of the country.

BBC: Oil wealth: An unequal bounty