N-UNCOUNT
(重大事件、發明或情況的)出現,問世,到來
The advent of an important event, invention, or situation is the fact of it starting or coming into existence.
例句
...the leap forward in communication made possible by the advent of the mobile phone.
手機的問世帶來了通訊業的迅猛發展
The advent of war led to a greater austerity.
戰爭的到來使形勢更為嚴峻。