purpose of this package

• You can one line in Chinese, and continue to write the next line in English, which is the translation of the preceding Chinese line
• You can print document only containing Chinese lines
• You can print document only containing English lines
• This package is useful for prepare a bilingual document with single content source but with Chinese/English language form, for example, you can write a Chinese resume with a corresponding translated English resume

new command

• put the Chinese content in the curly braces of \CN{}
• put the English content in the curly braces of \EN{}
• put the content which should be always printed outside of \EN{} and \CN{}

option

you should copy languageSelection.sty to your work path or use CTAN

• produce English docuemnt: \usepackage[Chinese]{languageSelection}
• produce Chinese document: \usepackage[English]{languageSelection}

in order to get Chinese document

• use following package or documentclass, only one is enough
  • package: \usepackage{xeCJK} or \usepackage{ctex}
  • documentclass: \documentclass{ctexart}
• compile the document with Xelatex

example

in the following two examples, the only difference in main.tex is \usepackage[Chinese]{languageSelection} vs \usepackage[English]{languageSelection}

Chinese document

main.tex

\documentclass{ctexart}
\usepackage[utf8]{inputenc}
\usepackage[Chinese]{languageSelection}
\title{test resume}
\begin{document}

\maketitle
\EN{
    \section{Introduction}
}
\CN{
    \section{介绍}
}
\EN{
    You can one line in Chinese, and continue to write the next line in English, which is the translation of the preceding Chinese line 
}
\CN{
    你可以写一行中文，然后写一行对应的英文翻译
}
\end{document}

pdf

English document

main.tex

\documentclass{ctexart}
\usepackage[utf8]{inputenc}
\usepackage[English]{languageSelection}
\title{test resume}
\begin{document}

\maketitle
\EN{
    \section{Introduction}
}
\CN{
    \section{介绍}
}
\EN{
    You can one line in Chinese, and continue to write the next line in English, which is the translation of the preceding Chinese line 
}
\CN{
    你可以写一行中文，然后写一行对应的英文翻译
}
\end{document}

pdf