您可以将字符输入到字段，检索一组匹配的活动。

You can type characters into the field to retrieve a set of matching activities.

youdao

您可能需要允许用户将可能有害的字符输入到文本框中。

You may need to allow the user to enter potentially injurious characters into a textbox.

youdao

所以，如果你需要防止某些字符输入，这个类是有用的。

So if you need to prevent certain characters from being entered, this class is useful.

youdao

Even though my statement said enter a number, in particular, raw input here simply takes in a set of characters and treats it as a string.

即使我的陈述说的是应该输入一个数字，实际上，这里的原始输入会被当做一个字符,的集合来提取并被当做一个字符串来对待。

麻省理工公开课 - 计算机科学及编程导论课程节选

I give it some character. It gives me back an integer representing. It looks weird.

我输入一些字符,程序返回给我一个整数的表示。

麻省理工公开课 - 计算机科学及编程导论课程节选

Well, get string again is returning the address of the string the user typed in, D the address of the very first character like the letter D and storing that address in this variable s1.

好的，GetString返回的是,用户输入的字符串的地址，第一个字符的地址，比如字母,然后把这个地址存储在这个变量s1中。

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