字符串函数的输入字符串数据可能拥有源字符串中的一些错误字符或无效字符。

The input string data to string functions may have wrong or invalid characters in the string that it is supplied with.

youdao

考虑用户对UI可能执行的所有动作，例如单击错误的位置或输入无效的值、重音字符或不常见的字符。

Consider all the other things a user might do with the UI, such as clicking the wrong points or entering invalid values, accented characters, or unusual characters.

youdao

我被搞懵了，接下来我能记得的，就是看见一些数字符号啥的出现了，最后出现一个错误信息，像是'文件格式无效'什么的。

The next thing I know, all these Numbers and symbols show up and I get an error message saying 'invalid file format' or something.

youdao