据信 + Clause
据信 (jùxìn) means "it is believed" or "reportedly" and is used to attribute information to general belief or unconfirmed sources. It is a formal expression commonly found in news reports, academic writing, and historical accounts. 据信 typically appears at the beginning of a clause to introduce an estimated or reported fact.
据信这座古城已经有两千多年的历史了。
Jù xìn zhè zuò gǔchéng yǐjīng yǒu liǎngqiān duō nián de lìshǐ le.
It is believed that this ancient city has a history of over two thousand years.
据信嫌疑人已经离开了这个城市。
Jù xìn xiányírén yǐjīng líkāi le zhège chéngshì.
It is believed that the suspect has already left this city.
据信此次事故是由设备故障引起的。
Jù xìn cǐ cì shìgù shì yóu shèbèi gùzhàng yǐnqǐ de.
It is believed that this accident was caused by equipment malfunction.