卖茶叶的专卖店:How to use 'in relation to' and 'with reation to'

How to use 'in relation to' and 'with reation to' how to use"take over' how to use 酷狗 how to use 金山词霸？ How to use mp3? how to use paltalk how to use been? Tell your foreign friend how to use the medical service in a hospital in Beijing? get how to use it How to use English well?