当从原始的输入数据中提取字符串时，试着从原始字符串返回一个子字符串，而不是创建一份拷贝。

When extracting strings from a set of input data, try to return a substring of the original data, instead of creating a copy.

youdao

当从原始的输入数据中提取字符串时，试着从原始字符串返回一个子字符串，而不是创建一份拷贝。

When extracting strings from a set of input data, try to return a substring of the original data, instead of creating a copy.

youdao