at one's own expense

自_百度百科 ... 30. 自发[ spontaneous] 31. 自费[ at one’s own expense] 32. 自焚[ burn oneself] ...

自,自字的解释... ... [self-abuse;masturbation] 指手淫 [at one's own expense] 自行承担花销经费 [burn oneself] 自己烧死自己 ...

商务词汇_麦子_百度空间 ... excess premium 超额保险费 at one's own expense 费用自负 be borne by 由......承担 ...