My calculations on historical data show that, in most years, it makes little difference whether earnings are calculated by market value or by using the simple sum as S&P does.

我基于历史数据的计算表明，在大多数的年份，用市值还是标准普尔的简单加总来计算盈利仅有细微的差别。

youdao

It's extremely important for us to think about this as a whole system and not just the sum of a bunch of individual components.

有一点非常重要，即我们要把它视为一个完整的系统，而不只是一堆独立组件的总和。

youdao

Instead they may involve, at most, a little arithmetic, such as "the sum of two odd numbers is even", and common sense.

相反，它们最多可能涉及一点算术，比如“两个奇数之和为偶数”，以及常识。

youdao

It's just minus the sum of all these things, because of course these are just defined as the work done by the environment to the system.

等于负的这些东西的和，因为它们的定义是,环境对系统所做的功。

麻省理工公开课 - 热力学与动力学课程节选

In fact, there are some very old books that show this as the average, the sum divided by two arithmetic mean, but the modern practice is to use the geometric mean.

事实上，一些很老的书籍上,平均的定义就是算数意义的，总的来说被分为两种算数意义，但现代我们多用几何意义。

麻省理工公开课 - 固态化学导论课程节选

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

Dim sum as we know it developed in Guangzhou, the cultural and commercial center of southern China, in the 18th and 19th centuries, said Maria Tam, an anthropologist at the Chinese University of Hong Kong.

WSJ: The Best Dim Sum in Hong Kong | In Search Of

Some view the lump sum payout as a bonus, which can be quite enticing.

FORBES: The Early Retirement Income Challenge

Economics is not a zero-sum game as was once thought, though in many intellectual and political circles today it is still regarded as such.

FORBES: Pressuring Business to Believe in Business