Last year, Lee Jen-kui, a researcher at the Academia Sinica's Institite of History and Philology, discovered that in earlier times the area where languages were most diverse was near the mouth of Tamsui River.
去年，中研院史語所研究員李壬癸從十七到十九世紀末北台灣的語言分佈發現，當時語言最分歧的地區是靠近淡水河口一帶。