当今世界,数据安全已经成为各国共同面对的挑战。Dāngjīn shìjiè, shùjù ānquán yǐjīng chéngwéi gè guó gòngtóng miànduì de tiǎozhàn.In today's world, data security has become a challenge faced jointly by all countries.
当今社会,大多数人都离不开手机。Dāngjīn shèhuì, dàduōshù rén dōu lí bu kāi shǒujī.In today's society, most people can't do without their phones.
这是当今最受年轻人欢迎的运动之一。Zhè shì dāngjīn zuì shòu niánqīngrén huānyíng de yùndòng zhī yī.This is one of the sports most popular with young people today.