────────────────────────────── trigger, 誘発する、きっかけとなる、引き起こす ────────────────────────────── If something triggers an event or situation, it causes it to begin to happen or exist.
ex) The current recession was triggered by a slump in consumer spending.
────────────────────────────── catalyst, 触媒、触媒の働きをする人[もの] ────────────────────────────── You can describe a person or thing that causes a change or event to happen as a catalyst.
ex) He said he saw the bank's role as a catalyst to encourage foreign direct investment.
────────────────────────────── add up to, …という結果になる ────────────────────────────── You talk about things adding up to something when they result in it or suggesting it.
ex) Most of the evidence adds up to the clear conclusion that human beings are able to control their feelings.
────────────────────────────── outdate, 時代遅れにする ────────────────────────────── If you describe something as outdated, you mean that you think it is old-fashioned and no longer useful or relevant to modern life.
ex) outdated and inefficient factories
────────────────────────────── gadgetry, 小道具類、ちょっとした器具 ────────────────────────────── Gadgetry is small machines or devices which do something useful.
ex) In the days before domestic gadgetry and time-saving appliances, food preparation took up most of the day.
"NHKラジオ ビジネス英会話 Mobile Phone Distractions (4) 8/6-7 2007"
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