Only 6.1 percent of users have ever appealed to supervisory departments and about half of them do not know how to cancel unwanted SMS subscriptions.
仅有6.1%的手机用户曾向监管部门提出申诉，其中约一半人不知道如何取消不想要的短信订阅服务。
So far we do not know how much of a problem it might be.
到目前为止，我们还不知道这个问题的严重性。
Unfortunately, we do not know how to build rockets that fast!
遗憾的是我们不知道怎样制造这么快的火箭！
I will willingly go away with you, but I do not know how to get down.
我很愿意和你一起走，但是我不知道怎么下去。
Scientists do not know how much and what kinds of noises are harmful to ocean animals.
科学家们不知道有多少噪音以及何种噪音对海洋动物有害。
If people do not know how much they are eating, it can be really hard for them to stick to a diet.
如果人们不知道自己吃了多少，他们就很难坚持节食。
When students graduate from college, many of them do not know how they want to spend their working lives.
大学毕业后，许多学生不知道如何度过他们的工作生涯。
If the voters do not know how to use a computer, how do you expect them to finish the voting process through computers?
如果选民不知道如何使用电脑，你怎能期望他们通过电脑完成投票过程？
Moreover, there are processes that influence climate, such as modifications in land use, that scientists do not know how to simulate.
此外，还有一些影响气候的过程，如科学家们不知道如何模拟的土地利用的变化。
We do not even know, for example, how many stars have planets, and we certainly do not know how likely it is that life will arise naturally, given the right conditions.
例如，我们甚至不知道有多少恒星有行星，我们当然也不知道如果有适当的条件，生命自然出现的可能性有多大。
The children do not know how to behave themselves decently.
小孩子不懂如何举止得体。
我不知道怎样把它遮起。
I do not know how long they lasted.
我不知道这种声音持续了多久。
I do not know how people reminds the names!
我不知道当人们看到这些名字时会想到什么！
I do not know how version 2.0 will be priced.
我不知道版本2.0将如何定价。
But we do not know how to apply these in space.
但我们不知道如何把这些应用于太空。
I am a simple person and do not know how to lie.
我是个很简单的人，不知道怎么撒谎。
Unfortunately we do not know how to build rockets that fast!
遗憾的是我们不知道怎样制造这么快的火箭。
I am eager to help him, but I really do not know how to help.
我很想帮他，可是我不知道该怎么帮。
Then came the screams and cries. I do not know how long they lasted.
然后就是船上传来的尖叫声和哭声，我不知道持续了多久。
The researchers do not know how the chemicals may be reducing fertility.
研究人员并不清楚这项化学物质是如何降低生育能力的。
We do not know how high food prices might go, nor how far they could fall.
我们不清楚食物的价格究竟会有多高，也不知道他们何时跌落。
At present we do not know how to estimate an individual family's actual risk.
目前我们也不知道如何确切地评估到一个家庭的患病风险。
They do not know how to evaluate the venture, so don't waste your time trying.
他们不知道如何对公司估值，所以你别浪费时间。
Life, like a thin paper, many people would not like and do not know how to Pierce.
生活这张薄纸，许多人不愿意也不知道如何捅破。
If you do not know how to become free of pimples, wheat germs will effectively help you.
如果您不知道如何不长痘痘，小麦胚芽将有效地帮助您。
Jones: Oh, I want to change some money, but I do not know how to fill out the exchange form.
琼斯：啊，我想兑换些钱，但不知道怎样填写兑换单。
Jones: Oh, I want to change some money, but I do not know how to fill out the exchange form.
琼斯：啊，我想兑换些钱，但不知道怎样填写兑换单。
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