By Before and After, Pronunciation

BBC Learning English has made a radio programme which consists of 12 episodes. In each episode, they analyse the way some famous non-native (but proficient) speakers speak English.In one of the episodes, they focussed on Björk's English (I hope I got the spelling correct ) and discussed her...

Items in brackets are asides, extra information, not essential to the meaning of the sentence. Here it has been used to clarify the phrase 'volunteer teachers' for you. If you are reading it you need to treat it as a stronger version of a comma, so introduce a pause before and after to indicate...