Add up all the pleasures, subtract all the pains.

把全部快乐相加 减去全部痛苦。

Why we're possessed of this urge to subtract is another matter.

为什么我们有减龄的欲望则是另一回事。

And now, on to issue No. 2, which is subtracting indirect illumination from this footage.

现在，到第二大问题——从镜头中去除间接照明。

In 2012, the difference between adding and subtracting ice was the most out of balance.

2012 年，增冰量和减冰量之比是最不平衡的。

Next, subtract your monthly expenses from income.

接下来，从收入中减去你的每月开支。

And subtracted the amount of time people spent on the website.

减掉人们在网站上花费的时间。

The pupil could add and subtract but hadn't learned to divide.

这名小学生能做加法和减法，但还没学会做除法。

Yellow indicated the bee should subtract, while blue meant they should add.

黄色表示蜜蜂应该做减法，而蓝色表示蜜蜂应该做加法。

For each matter cube, add one, and for each antimatter cube, subtract one.

对于每个物质立方体，加一，对于每个反物质立方体，减一。

Researchers put honeybees through 100 trials to train them to add and subtract.

研究人员让蜜蜂进行了100次试验，以训练它们做加法和减法。