存続は英語で
duration

英語の定義

存続
1. n. continuation in existence
国の存続をかけて争った。 - They fought for the nation's survival.
2. v. continue to exist

duration
1. 名詞. 持続期間。

duration
1. n. An amount of time or a particular time interval.
2. n. (in the singular, not followed by "of") The time taken for the current situation to end, especially the current war
Rationing will last at least for the duration.
3. n. (finance) A measure of the sensitivity of the price of a financial asset to changes in interest rates, computed for a simple bond as a weighted average of the maturities of the interest and principal