① 出来事。② 重大な出来事で、周囲に悪影響を及ぼすもの。
① あることが成り立つのに必要な事柄（ラテン語condiciōの訳語として）。
major incident; major happening; big scandal
the matter you have been talking about
personnel expenses; labor cost; labour cost; indirect labour costs; indirect labor costs
subject; title; subject (of an email); subject line
number of events (e.g. accidents, crimes, meetings, housing starts, hits on a web page)
several items; many items
most important condition (for); first prerequisite
rare event; unexpected event
disgraceful incident; scandalous affair; untoward (deplorable) event
aforementioned; previous case; antecedent
September 11 attacks; 9/11
(formal) topic at hand; current topic