You add your age at the time of conception and the number for the month you conceived and the sum is an even number.

把你怀孕时的年龄和当时月份的数字相加，总和是个偶数。

youdao

Because in the north the sum is low during winter, the sunlight appears quite blue. Because the sun is higher during summer, the hot summer sunlight appears yellow.

因为在北方冬季太阳低，使人觉得似乎阳光有点发蓝，而在炎热的夏季令人觉得阳光似乎是黄色的。

youdao

In my opinion, Sir, the sum is not enough!

在我看来，先生，这个不够！

youdao

"In sum,the system is broken. And everybody knows it."

VOA: special.2010.07.03

If you say, "Add the vectors, " I would just add the x to the x and the y to the y and I'm keeping track of what the sum is.

如果你们说 " 将矢量相加 ",我就把同为 x 轴方向的分量相加,同为 y 轴方向的分量相加,然后就能得出这两个矢量的和是多少了

耶鲁公开课 - 基础物理课程节选

So the total sum of right wing votes is going to beat out half of the left wing votes.

所有右派选票将,战胜左派选票的一半

耶鲁公开课 - 博弈论课程节选

The sum is paid by the council, which then claims the money back from the government.

BBC: Benefits system 'needs changing'

The sum is the largest amount yet invested in a Latin American Internet operation.

FORBES: Brazil's TV Titans

The sum is higher than Westminster's West End Live show, which attracts more than 250, 000 people.

BBC: Cost of giving Newham Council the 'wow factor'