In our country one decade ago when digital TV arrived , a lot of new channels flourished .
In our country , one decade ago , when digital TV arrived , a lot of new channels flourished .
In our country , one decade ago , when digital TV arrived , a lot of new channels flourished .
删除此文本中的所有语法错误: In our country one decade ago when digital TV arrived , a lot of new channels flourished . 输出: