It is believed that many plant species are being threatened with extinction.

据信许多植物物种正面临灭绝威胁。

It is believed that tea was brought to Korea and Japan during the 6th and 7th centuries.

据认为，茶是在六、七世纪传入韩国和日本的。

It is believed that EQ plays an even more important role than IQ (intelligence quotient) in people's lives.

人们认为情商在生活中比智商（IQ）更重要。

It is believed that the treasure is hidden in the cave.

被认为宝藏藏在洞穴里。

It is believed that the new policy will benefit the economy.

被认为新政策将有利于经济。

It is believed that it began in England in the early nineteenth century.

人们认为它起源于19世纪初的英国。

It is believed that this mist was connected to Laozi in some way.

人们认为，这种薄雾与老子有某种联系。

It is believed that dog-related words and phrases usually have good humour.

人们认为与狗有关的单词和短语通常很幽默。

It is believed that the road to a good college begins as early as preschool.

人们认为，通往 好 大学的道路早在学前班就开始了。

It is believed that it is a worthwhile task.

人们认为这是一项值得做的工作。