The water footprint is designed to help consumers and businesses understand just how much water is required to make products like a cotton T-shirt or a can of corn.

“水足迹”这一概念的提出是为了帮助消费者和商家明白为了制造诸如一件纯毛T恤或者是一罐玉米的商品所需耗费的真实水量。

youdao

I: If a passenger can? T understand what you say, what should you do?

如果有乘客听不懂你说的话，你该怎么办？

youdao

They can tell you that they receive 20 calls every day from customers who donâ t understand how to set up a printer, but hardly any calls about how to actually print a document.

例如，他们会告诉你说，他们每天会接到20通客户咨询电话，询问如何设置一台打印机，但是几乎没有客户会打电话来问如何把某个文件打印出来。

youdao

"I don't understand. How can they have no record of her being there." "There has to be some explanation."

VOA: special.2009.06.12

We can't help understanding. We always already understand, which has nothing to do again with whether or not we're right or wrong.

我们控制不住地去理解，我们总是已经理解了，这与对错无关。

耶鲁公开课 - 文学理论导论课程节选

He claimed that children at this age literally can't understand that others can see the world differently from them.

他认为这个年龄的儿童完全没有意识到,别人眼中的世界,可以与自己看到的世界有所不同

耶鲁公开课 - 心理学导论课程节选

"The midwives from the unit are still operating in the community - for the life of me I can't understand why they can't deliver in the fantastic unit, " she said.

BBC: Cotswold maternity unit

Mr. BOB DYLAN: (Singing) Come, mothers and fathers throughout the land, and don't criticize what you can't understand.

NPR: Are You My Mother?

They just go out there and do them and some of them can't understand why other people can't do them.

BBC: Holloway column