1. indispensable
Water is indispensable to life.
Air as well as sunlight is, needless to say, indispensable to our daily life.
His long experience at the United Nations makes him indispensable to the talks.
In places where it snows a lot, kerosene is an indispensable item.
What is indispensable to our lives, along with food and clothes, is housing.
There is a good number of problems for which the Karush-Kuhn-Tucker conditions are insufficient to guarantee optimality, but this doesn't change the fact that these conditions are an indispensable tool for doing optimization.
Computer technology is indispensable to access many pertinent items of data.
These bodies have actually played indispensable roles in attaining these goals.
My uncle is a very heavy smoker; tobacco is indispensable to him.
Good knowledge of English is indispensable nowadays.
He was fully aware that he was an indispensable assistant
Edward was just telling us how indispensable you've become to him.
This is an indispensable step towards national reconciliation.
英語 "という言葉अपरिहार्य"(indispensable)集合で発生します。
one word substitution2. inevitable
It is inevitable that I go to France someday, I just don't know when.
The industrialist found a wealthy financier to help him weather the storm which was inevitable.
Accidents are inevitable.
Overtaxed heart, kidneys and liver are inevitable results of too much food.
When two or more people interact for a long enough time, conflict happens. It's inevitable.
We have no option but to accept the inevitable.
As long as there are sovereign nations possessing great power, war is inevitable.
I didn't sleep much yesterday, so it was inevitable that I was sleepy all day today.
However, I can't help noticing, at this moment, that at first glance it seems inevitable that the shark will devour the man.
<getting wet is inevitable if you are going to try to give your dog a bath>
Neil and Alice discuss what we need to do to adapt to the inevitable changes ahead.
The judge told him that a long prison sentence was inevitable.
When you're working such long hours, it's inevitable that your marriage will start to suffer.
war was inevitable / It takes courage and wisdom to make the best of an imperfect situation and accept the inevitable.
Expectations of instant communications and entertainment become inevitable.
英語 "という言葉अपरिहार्य"(inevitable)集合で発生します。
Presis Writing