hissu jōkendattara
1. If/when necessary.; If/when required.
★ Common
Noun
#1000567
1. If/when necessary.; If/when required.
1. if it's the case
1. condition; term
1. indispensable; essential
1. not be found
1. unconditional
1. conditional; qualified
1. interactive
1. admission ticket; entrance ticket
2. platform ticket; ticket allowing a non-traveller access to a railway station platform — explanation