该函数首先解析选项的第二个词(第一个词是名字)，将它变为大写形式，然后比较两个字符串，并返回-1、1或0。

This function first parses the second word from the option (the first word being the first name), changes it to upper case, and then compares the two strings and returns a -1, 1, or 0.

youdao

该函数首先解析选项的第二个词(第一个词是名字)，将它变为大写形式，然后比较两个字符串，并返回-1、1或0。

This function first parses the second word from the option (the first word being the first name), changes it to upper case, and then compares the two strings and returns a -1, 1, or 0.

youdao