英语听力精选进阶版 13865（在线收听）

Battle of the phones

Vocabulary

representing

speaking on behalf of

similarities

almost identical features

innovate

develop or improve ideas

damages

financial compensation

to come to terms with

to understand fully

complexities

complicated details

challenging

competing or fighting (legally)

fast-growing

rapidly expanding

a big impact

a huge effect

(in) favour (of)

advantage (or in support of)