ラウンドトリップ時間 だったら
raun dotorippu jikandattara
1. If/when round trip time
Noun
#509773
1. If/when round trip time
1. if it's the case
1. period of time; time slot
2. time zone
1. short time
1. rest period; intermission
1. office hours; business hours
1. business hours; opening hours
1. permanent vice-president; undersecretary