Many thanks for your earlier reply to my query . I have some more questions as follows

(1) What is the best means of transport for travelling from Shenzhen to Shanghai
(2) How long it takes by train (if any) and by plan and what is the approximate price for each
(3) How many hour flying from Shanghai to Hong kong.
(4) How freguent are the flights from Shanghai to Hong kong and what is the expect fares, one way
(5) Are there any trains from Shanghai to Hong kong and how may hours it takes and what is the expected fare.