In my opinion we can use language to represent Thailand and I study engineering I can use my knowledge to work in the future because engineering can work in member of ASEAN. And the positive impact of AEC to Thailand is that it helps to facilitate investment and trading activities in other ASEAN members as it is now more freely and easier. If I graduated from university I can invest in any ASEAN countries and there will be fewer barriers in terms of trading activities. Moreover, my country will become the center of transportation and tourism, as Thailand is located in the center of ASEAN. This will help me to learn language from foreigner and I can practice my English skill because in the future there are a lot of people from ASEAN country so I will learn language from ASEAN language.