est
/est/noun
mass noun
- a system for self-improvement aimed at developing a person's potential through intensive group awareness and training sessions（旨在发挥个人潜力的）自我提高训练法, 艾哈德讨论会训练法。
词源
1970s (originally US)： acronym from Erhard Seminars Training， from the name of Werner Erhard (born 1935), the American businessman who devised the technique.