If Thai people go to China, you can’t speak Chinese mandarin with all of Chinese people. Because Chinese people some area or Chinese people elder generations can’t speak although Chinese mandarin is the official language of china. In Thailand if you speak Thai language all of people in Thailand can spoken and understood Second, When Chinese people speak English as the Chinese accent can’t make it understood and make confused. Finally, when want to shop in China for buying something, which you don’t know how to say, you will can’t read anything on tag or product anywhere because everywhere all Chinese characters. And when Chinese people come in Thailand, Thai people speak English as the Thai accent, Chinese people can’t make it understood and make confused too. And, when want to shop in China for buying something, but can’t find things, because they could not read Thai language. That maybe made Chinese people long time to find. It made feel shock.