### Chinese: （此处修改一下，卫生棉条不必常换，大概五六小时换一次就可以，最长八小时）
### English: (Change here, sanitary cotton sheets do not need to change often, about five or six hours can be changed once, for a maximum of eight hours)
### Errors: There is a major error at "Change here". There is a major error at "sanitary cotton sheets". There is a minor error at "change". There is a minor error at "about five". There is a minor error at "hours can". There is a minor error at "once".

### Improved English: (a little modification here, tampons do not need to be changed often; it can be changed every five or six hours, up to eight hours)