Thai language learning may not be necessary for some foreigners, because at present, Thai people can speak English. It is not necessary that the foreigners who come to do business in the Thai language, Thai is spoken all.
Learning Thailand may not be necessary for some foreigners. Today, many people can speak English Thailand. We do not need the foreigners to do business in Thailand is Thailand to speak at all.
Learning English may not be needed for some foreigners. At present, people can speak English. So there is no need for the foreigners who come to do business in Thailand to speak Thai.