Be wary of someone who tries to manipulate or use mind games, like asking for a$20,000 up-front commitment and when you demur, accusing you of not being committedto the process.

要提防那些试图操控或大玩心理游戏的人，比如要求预付20，000美元订金，一旦你提出不同意见，对方就批评你不按规矩办事。