Rethorical devices are all those which helps an individual to argue successfully, defending his point of view but also convincing people to agree with his saying. That is why rethorical devices can help a student: he can explain himself better, defend his ideas and even convince others to do what he believes to be the best.
1. the cost of return transport to airport is the price of the transportation you take to get back to the airport
2. the cost of transport to the airport/car parking at the airport is the price it costs for the transportation you take to get there
3. price of local currency means how much it costs to convert the money
To aid us in understanding a time in history
To aid us in understanding a person or culture
Independent clause and subordinate clause
