"Clearly one of the major implications of something like this would be for use in developing countries: maybe for testing HIV, maybe for testing for tuberculosis, or perhaps even malaria."

VOA: special.2010.12.06

And of course, there is the picture, but I use my passport for something else.

当然，还有照片，我的护照用在别处了。

麻省理工公开课 - 媒体、教育、市场课程节选

Remember that you can use it to express a need for you to do or have something,

记住，你可以用它来表达你做某事或得到某些东西的需求，

I need 课堂 - SpeakingMax英语口语达人

He says foreign governments should use their resources for something other than troops.

VOA: standard.2009.11.09

You can use it to give a reason for something.

你可以用它来解释某事。

so that 课堂 - SpeakingMax英语口语达人

Of course the most common use of the "I want to" pattern is when you express your desire for something.

当然，“I want to”句型最常见的用法是用来表达你对某事的愿望。

I want to 课堂 - SpeakingMax英语口语达人

So use the "would you please" pattern if you're asking for something in perhaps a potentially abrasive situation.

所以，当你在可能伤人感情的情况下请求别人做某事时，你可以使用“would you please”句型。

Would you please 课堂 - SpeakingMax英语口语达人

We can use the "I need" pattern to express your need for something, of course,

我们可以用“I need”句型来表达我们对某些东西的需求，当然，

I need 课堂 - SpeakingMax英语口语达人

I'm going to use the CS50 Library instead for user input I'm saying say something then I'd get a string from the user and I call time s1 and then I say, say something, s2 and then I get another string from the user and call it s2 and apparently this program's purpose in life is to tell me yes or no the user said the same thing both times.

然而我使用的是CS50库来获得用户输入,我说点什么，然后从用户那里获得一个字符串,并把它叫做s1，然后我说点什么，然后从用户那里获得一个字符串，并把它叫做2,这个程序的最终目的是,告诉我两次用户输入的是不是同样的东西。

哈佛公开课 - 计算机科学课程节选

I'd like is also very useful. You can use "I'd like" to ask for something.

'd like 也是非常有用的句型。你可以用它来表达你想要一些东西。

I'd like 课堂 - SpeakingMax英语口语达人

Or you could use the "I wonder" pattern to ask permission for something.

你也可以用 "I wonder" 句型来征求同意。

I wonder if 课堂 - SpeakingMax英语口语达人