Examples
wǒ men我们gōng sī公司de的jì shù技术yǐ jīng已经dá dào达到le了fā dá发达guó jiā国家jiǔ九shí十nián dài年代de的shuǐ píng水平。
我们公司的技术已经达到了发达国家九十年代的水平。
Our company's technology has already reached the level of a developed country in the 1990s.
这个年代用电视和收音机报道新闻已是十分平常的事了。
The communication of news by TV and radio is very common now.
这首歌在七十年代很流行。
This song was popular in the 1970s.