Fots
abbr. 光纤传输系统（fiber optics transmission sys-tem）
🗣️ 情景例句
Oh. I'm sorry.
噢，对不起。
This offer is firm subject to your acceptance reaching us not later than December 15.
此报盘为实盘，但以我方在12月15日前收到你方答复为准。
who is which depending on whether the customer's account is in credit or is overdrawn.
究竟谁是债务人谁是债权人，要看储户的账户是有结余还是透支。