what's the mean of this sentence? what's the mean of this sentence"Teenages now get young shop assistants,and staff in the sports departments are themselves sports fans in trainers.

whats the meaning of “its a must in this highly competitive age” whats the meaning of “its a must in this highly competitive age”

First notebook entry: Introducing myself its jean,from china~am a student studying in shanghai. I have been learning for many years and would like the opportunity to gain more practice on my oral english, as well as meet people . I am interested in spending some time when I finish my degree. I could help anyone interested to practice their mandarin I am also interested in learning german an french