Complex sentence: Tan obtained his bachelor's degree in civil engineering from National Chung Hsing University in 1973, and his master's degree in urban and regional planning from Virginia Polytechnic Institute and State University in the United States in 1980.
Split into simpler sentences: Tan obtained his bachelor's degree in civil engineering from National Chung Hsing University in 1973. He then obtained his master's degree in urban and regional planning from Virginia Polytechnic Institute and State University in the United States in 1980.