深圳是中国最重要的科技中心之一。

Shēnzhèn shì Zhōngguó zuì zhòngyào de kējì zhōngxīn zhī yī.

Shenzhen is one of China's most important technology centers.

他在一家科技公司工作了五年。

Tā zài yì jiā kējì gōngsī gōngzuò le wǔ nián.

He has worked at a tech company for five years.

科技的发展改变了我们的生活方式。

Kējì de fāzhǎn gǎibiàn le wǒmen de shēnghuó fāngshì.

The development of technology has changed our way of life.