while less advanced Chinese models may lag the U.S. by about 15 months, Lee said. He was speaking at the AVCJ Private Equity ...

The Nature Index showed that Beijing has remained the world's top science city since 2016. Meanwhile, Chinese cities, especially provincial capitals such as Nanjing, Wuhan, Hangzhou, Hefei and Xi'an, ...

Helen: New words and expressions enter the English language all the time, so you need to stay up to date. Helen: Well, jet lag has only existed since people started to fly long distances regularly ...