Chinese garbled characters appear in the ubuntu command line

The ubuntu command line contains Chinese garbled characters-General Linux technology-Linux technology and application information. The following is a detailed description. I have just installed ubuntu14.04 but found that Chinese characters cannot be displayed when entering the command line. view the solution on the Internet:
I. Ubuntu default Chinese Character encoding
Ubuntu default Chinese character encoding for zh_CN.UTF-8, this can be in
/Etc/environment:
Sudo gedit/etc/environment
You can see the following content:
PATH = "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games"
LANG = "zh_CN.UTF-8"
The second line of LANGUAGE = "zh_CN: zh: en_US: en" is the default Chinese character encoding. Note: You can modify the default Chinese character encoding here, for example, zh_CN.GBK.

However, I am a general user and cannot use sudo. I am a newbie to linux. I would like to ask you for help.