虽然事先经过了异常周密的计划安排，但此次勇敢的冒险却是因一桩偶然事件而起。

Planned with characteristic meticulousness, this bold venture was also the result of happenstance.

youdao

虽然事先经过了异常周密的计划安排，但此次勇敢的冒险却是因一桩偶然事件而起。

Planned with characteristic meticulousness, this bold venture was also the result of happenstance.

youdao