Translated 4th paragraph
tree83baed5666a6a2d9b2c2baf974a298afbf9d88fb
-rw-r--r-- 97 .gitignore
-rw-r--r-- 821 README
drwxr-xr-x - cs
drwxr-xr-x - de
drwxr-xr-x - en
drwxr-xr-x - es-ni
drwxr-xr-x - figures-source
drwxr-xr-x - figures
drwxr-xr-x - ja
drwxr-xr-x - latex
drwxr-xr-x - nl
drwxr-xr-x - pt-br
drwxr-xr-x - ru
drwxr-xr-x - zh