unforeseen incident的用法和樣例：
例句
- His parents' hopes and plans left no room for any unforeseen circumstances.
父親母親的計劃和希望，絲毫沒(méi)為意外事故留個(gè)余地。 - From the openning of the hostel,they succussfully led more than 1000 people to reach to the peak of Haba jokul without any safety incident.
旅舍自開(kāi)業(yè)以來(lái)已經(jīng)成功帶領(lǐng)近千名登山愛(ài)好者登上了哈巴山頂，從未發(fā)生過(guò)人員傷亡的意外事故，這些都得益于豐富的登山經(jīng)驗和嚴謹的登山安全原則。
