简体字(jiǎn tǐ zì) - simplified Chinese characters in Mandarin

中zhōng国guó大dà陆lù和hé新xīn加jiā坡pō用yòng简jiǎn体tǐ字zì。

Mainland China and Singapore use simplified characters.

简jiǎn体tǐ字zì写xiě起qǐ来lái比bǐ较jiào快kuài。

Simplified characters are quicker to write.

我wǒ的de中zhōng文wén书shū都dōu是shì简jiǎn体tǐ字zì的de。

My Chinese books are all in simplified characters.

简jiǎn体tǐ字zì是shì什shén么me时shí候hou开kāi始shǐ用yòng的de？

When did people start using simplified characters?

我wǒ先xiān学xué的de是shì简jiǎn体tǐ字zì，后hòu来lái才cái学xué繁fán体tǐ字zì。

I learnt simplified characters first, and only later traditional ones.