Example
2121shì jì世纪shè huì社会，bù不dǒng懂diàn nǎo电脑bù不dǒng懂wài yǔ外语wǎng wǎng往往huì会bù bù步步nán难xíng行。
21世纪社会，不懂电脑不懂外语往往会步步难行。
In the 21st century, it will be hard to survive if you don't know how to use a computer or if you don't know any foreign languages.